Pith Number

pith:N42AEIXN

pith:2019:N42AEIXNH2D23F64FQTOOP5XRM

not attested not anchored not stored refs pending

M31 circum-nuclear region: a molecular survey with the IRAM-interferometer

Anne-Laure Melchior, Francoise Combes, Julien Dassa-Terrier

arxiv:1902.05822 v1 · 2019-02-15 · 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{N42AEIXNH2D23F64FQTOOP5XRM}

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	2026-05-17T23:44:55.294160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f340222ed3e87ad97dc2c26e73fb78b15dbe9b0272688a8b26353972a882aee

Aliases

arxiv: 1902.05822 · arxiv_version: 1902.05822v1 · doi: 10.48550/arxiv.1902.05822 · pith_short_12: N42AEIXNH2D2 · pith_short_16: N42AEIXNH2D23F64 · pith_short_8: N42AEIXN

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/N42AEIXNH2D23F64FQTOOP5XRM \
  | 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: 6f340222ed3e87ad97dc2c26e73fb78b15dbe9b0272688a8b26353972a882aee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52c46f44f3c2c09ebc9db25f681e73d6a3aa2a165eceea6d02baaccce82490c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-15T14:43:07Z",
    "title_canon_sha256": "2843a111355b10de43b0335074a1836de118be2f31742fe03827f6af7100bf41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05822",
    "kind": "arxiv",
    "version": 1
  }
}