Pith Number

pith:CX4WHSFK

pith:2018:CX4WHSFKKIPN5NVC2PMXQC6BEZ

not attested not anchored not stored refs pending

The APOGEE-2 Survey of the Orion Star Forming Complex: I. Target Selection and Validation with early observations

A. Roman-Lopes, Carlos Rom\'an-Z\'u\~niga, Christian Nitschelm, David L. Nidever, Edward Schlafly, Eric Feigelson, Eugene Magnier, Gail Zasowski, Genaro Su\'arez, Guy S. Stringfellow, Jason E. Ybarra, Jeff Valenti, Jesus Hernandez, J'Neil Cottle, J. Serena Kim, Juan Jose Downes, Jura Borissova, Kaike Pan, Keivan Stassun, Ken Chambers, Kevin R. Covey, Konstantin Getman, Marina Kounkel, Matthew Shetrone, Nathan De Lee, Nicola Da Rio, Peter M. Frinchaboy, Ronald E. Mennickent, Steven R. Majewski

arxiv:1804.06484 v2 · 2018-04-17 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CX4WHSFKKIPN5NVC2PMXQC6BEZ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:15:14.420618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15f963c8aa521edeb6a2d3d9780bc1266e92fbe278b97167f3a59e2001843d47

Aliases

arxiv: 1804.06484 · arxiv_version: 1804.06484v2 · doi: 10.48550/arxiv.1804.06484 · pith_short_12: CX4WHSFKKIPN · pith_short_16: CX4WHSFKKIPN5NVC · pith_short_8: CX4WHSFK

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/CX4WHSFKKIPN5NVC2PMXQC6BEZ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 15f963c8aa521edeb6a2d3d9780bc1266e92fbe278b97167f3a59e2001843d47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd3ef3f935c844910e6646b997a9b6a9e94a35bb6ac4d73ad5d147590d757346",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-04-17T22:08:20Z",
    "title_canon_sha256": "c81a17520e5712646dfd7f973c1e1b07551049e4ddfb1d25723b82e81ab9d01a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06484",
    "kind": "arxiv",
    "version": 2
  }
}