Pith Number

pith:NQJD4ZEG

pith:2012:NQJD4ZEGFR5TQWDSDUNL4PZNBX

not attested not anchored not stored refs pending

The Spitzer Survey of Interstellar Clouds in the Gould Belt. V. Ophiuchus North Observed with IRAC and MIPS

Albert Noriega-Crespo, Bruno Merin, Dawn Peterson, Eric Mamajek, Jennifer Hatchell, Jes Jorgensen, Lori Allen, Michael Dunham, Paul Harvey, Robert Gutermuth, Susan Terebey, Tracy Huard, Tyler Bourke

arxiv:1206.5422 v1 · 2012-06-23 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NQJD4ZEGFR5TQWDSDUNL4PZNBX}

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	2026-05-18T01:56:42.777064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c123e64862c7b3858721d1abe3f2d0dddeccbd3a8572c1abc06af730a3aaf92

Aliases

arxiv: 1206.5422 · arxiv_version: 1206.5422v1 · doi: 10.48550/arxiv.1206.5422 · pith_short_12: NQJD4ZEGFR5T · pith_short_16: NQJD4ZEGFR5TQWDS · pith_short_8: NQJD4ZEG

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/NQJD4ZEGFR5TQWDSDUNL4PZNBX \
  | 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: 6c123e64862c7b3858721d1abe3f2d0dddeccbd3a8572c1abc06af730a3aaf92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e8da30a0e53fceb7cb2506869e7ccbad6647e6ee6b141f2231c680caccfdc1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-06-23T18:18:31Z",
    "title_canon_sha256": "1ed48e539fe5659430dfa4ae17f0a1832994138469f63f1979c7f2187a88f7d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.5422",
    "kind": "arxiv",
    "version": 1
  }
}