Pith Number

pith:L7ACDEJN

pith:2018:L7ACDEJNGLJ6QUX723UNT3FXN6

not attested not anchored not stored refs pending

Chemistry of the High-Mass Protostellar Molecular Clump IRAS 16562-3959

Andr\'es E. Guzm\'an, Federico Hechenleitner, Guido Garay, Leonardo Bronfman, Viviana V. Guzm\'an

arxiv:1804.06544 v2 · 2018-04-18 · 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{L7ACDEJNGLJ6QUX723UNT3FXN6}

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	2026-05-18T00:12:17.520796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fc021912d32d3e852ffd6e8d9ecb76f89cf96780ba503bea34a7659cab78d05

Aliases

arxiv: 1804.06544 · arxiv_version: 1804.06544v2 · doi: 10.48550/arxiv.1804.06544 · pith_short_12: L7ACDEJNGLJ6 · pith_short_16: L7ACDEJNGLJ6QUX7 · pith_short_8: L7ACDEJN

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/L7ACDEJNGLJ6QUX723UNT3FXN6 \
  | 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: 5fc021912d32d3e852ffd6e8d9ecb76f89cf96780ba503bea34a7659cab78d05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc477233dd9ee05c6142931952e025f5a88857fab322cb88d2d5dc7267ff847d",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-04-18T04:08:39Z",
    "title_canon_sha256": "d08d614516f3c99a25d567b3cb7d11e1803f6199d4dd5f28cf1e711117e79836"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06544",
    "kind": "arxiv",
    "version": 2
  }
}