Pith Number

pith:7SVPH46E

pith:2013:7SVPH46E4YWPAT6BASZTU3POCP

not attested not anchored not stored refs pending

The Green Bank Telescope Maps the Dense, Star-Forming Gas in the Nearby Starburst Galaxy M82

Adam K. Leroy (NRAO-CV), Amanda A. Kepley (NRAO-GB), Antonio Usero (Observatorio Astronomico Nacional), David Frayer (NRAO-GB), Fabian Walter (MPIA), Josh Marvil (New Mexico Tech, NRAO-Socorro)

arxiv:1312.1595 v1 · 2013-12-05 · 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{7SVPH46E4YWPAT6BASZTU3POCP}

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	2026-05-18T01:45:58.273407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcaaf3f3c4e62cf04fc104b33a6dee13c14f27bdf31d98efa9d03cbda900ada8

Aliases

arxiv: 1312.1595 · arxiv_version: 1312.1595v1 · doi: 10.48550/arxiv.1312.1595 · pith_short_12: 7SVPH46E4YWP · pith_short_16: 7SVPH46E4YWPAT6B · pith_short_8: 7SVPH46E

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/7SVPH46E4YWPAT6BASZTU3POCP \
  | 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: fcaaf3f3c4e62cf04fc104b33a6dee13c14f27bdf31d98efa9d03cbda900ada8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49bbe55356cf6d1f1d40284ec838fb98394df5314f61dbdfbd1bfb3df18f7a2e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-12-05T16:07:13Z",
    "title_canon_sha256": "652d20522d3e18a2c52176b7e58e47b0aa6ead817e29e57f1d393058c13a42ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1595",
    "kind": "arxiv",
    "version": 1
  }
}