Pith Number

pith:SHP2NWP5

pith:2012:SHP2NWP5G3HAYFV5XKJCO62TW5

not attested not anchored not stored refs pending

SiO maser emission from red supergiants across the Galaxy: I. Targets in massive star clusters

K. M. Menten, L. Verheyen, M. Messineo

arxiv:1203.4727 v2 · 2012-03-21 · 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{SHP2NWP5G3HAYFV5XKJCO62TW5}

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	2026-05-18T01:58:05.010868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91dfa6d9fd36ce0c16bdba92277b53b77bd14f882f19b2b8931196863cc9b5fa

Aliases

arxiv: 1203.4727 · arxiv_version: 1203.4727v2 · doi: 10.48550/arxiv.1203.4727 · pith_short_12: SHP2NWP5G3HA · pith_short_16: SHP2NWP5G3HAYFV5 · pith_short_8: SHP2NWP5

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/SHP2NWP5G3HAYFV5XKJCO62TW5 \
  | 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: 91dfa6d9fd36ce0c16bdba92277b53b77bd14f882f19b2b8931196863cc9b5fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "251062a7612ebf905718264322a8829231aefeb510eca4cd80adcdc0c81705ac",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-03-21T13:12:32Z",
    "title_canon_sha256": "8296139c5ee7b5d6d301d3ae7d3306498ad46b9d74df25db1066e83d85bc350e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4727",
    "kind": "arxiv",
    "version": 2
  }
}