Pith Number

pith:VOHN22DW

pith:2012:VOHN22DW6YGODEWEYNLK5PFKNJ

not attested not anchored not stored refs pending

A Comparative Astrochemical Study Of The High-Mass Protostellar Objects NGC 7538 IRS 9 and IRS 1

John C. Barentine, John H. Lacy

arxiv:1208.2036 v1 · 2012-08-09 · 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{VOHN22DW6YGODEWEYNLK5PFKNJ}

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	2026-05-18T01:55:17.036279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab8edd6876f60ce192c4c356aebcaa6a454f42b55bc50635779be58c30e4cda3

Aliases

arxiv: 1208.2036 · arxiv_version: 1208.2036v1 · doi: 10.48550/arxiv.1208.2036 · pith_short_12: VOHN22DW6YGO · pith_short_16: VOHN22DW6YGODEWE · pith_short_8: VOHN22DW

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/VOHN22DW6YGODEWEYNLK5PFKNJ \
  | 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: ab8edd6876f60ce192c4c356aebcaa6a454f42b55bc50635779be58c30e4cda3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29a92e8d2bb63515bd04813fd53ea88f3458723c427b69ade2942d2c8940ffeb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-08-09T20:32:00Z",
    "title_canon_sha256": "22aaa95a3c02ad23563ad5eaec687d04f853b36658a3fbe018ab58e2cacab2b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2036",
    "kind": "arxiv",
    "version": 1
  }
}