Pith Number

pith:NEBQOKUK

pith:2019:NEBQOKUKQVXC5FW3BZECO3SKLA

not attested not anchored not stored refs pending

Astro2020 State of the Profession White Paper: Astronomy's Archival Materials

Alexei A. Pevtsov, Elizabeth Griffin, James Lattis, Jennifer Lynn Bartlett, Sara Schechner, Stephen McCluskey, Terry Oswalt, Thomas Hockey, Virginia Trimble, Wayne Osborn

arxiv:1907.10686 v1 · 2019-07-24 · astro-ph.IM · 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{NEBQOKUKQVXC5FW3BZECO3SKLA}

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	2026-05-17T23:39:34.766144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6903072a8a856e2e96db0e48276e4a5819eaaba42136f96cdffe3f677a8cb460

Aliases

arxiv: 1907.10686 · arxiv_version: 1907.10686v1 · doi: 10.48550/arxiv.1907.10686 · pith_short_12: NEBQOKUKQVXC · pith_short_16: NEBQOKUKQVXC5FW3 · pith_short_8: NEBQOKUK

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/NEBQOKUKQVXC5FW3BZECO3SKLA \
  | 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: 6903072a8a856e2e96db0e48276e4a5819eaaba42136f96cdffe3f677a8cb460

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d89b2630c9012f955ac242693d141d86f837d4fe80c852823ea423ab8382159d",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-07-24T19:31:51Z",
    "title_canon_sha256": "770162a9ccbffffdb70bf626a693e3fff9ee171f072110162c5aa50a16ae124c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.10686",
    "kind": "arxiv",
    "version": 1
  }
}