Pith Number

pith:VFAT2U6V

pith:2014:VFAT2U6V4KGNPIBOEFUZ7Y5YKY

not attested not anchored not stored refs pending

Near-infrared spectroscopy of candidate red supergiant stars in clusters

Ben Davies, C.-H. Rosie Chen, Donald F. Figer, Karl M. Menten, Maria Messineo, Rolf P. Kudritzki, Valentin D. Ivanov, Zhu Qingfeng

arxiv:1409.7906 v1 · 2014-09-28 · 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{VFAT2U6V4KGNPIBOEFUZ7Y5YKY}

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	2026-05-18T01:41:54.643357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9413d53d5e28cd7a02e21699fe3b85631eed537f032eb7700741d85726312b5

Aliases

arxiv: 1409.7906 · arxiv_version: 1409.7906v1 · doi: 10.48550/arxiv.1409.7906 · pith_short_12: VFAT2U6V4KGN · pith_short_16: VFAT2U6V4KGNPIBO · pith_short_8: VFAT2U6V

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/VFAT2U6V4KGNPIBOEFUZ7Y5YKY \
  | 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: a9413d53d5e28cd7a02e21699fe3b85631eed537f032eb7700741d85726312b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d546ecfdf951489c29e539155dfe9e3b19b025bc2a021bb0b8e23221a99f8b9e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-09-28T13:14:43Z",
    "title_canon_sha256": "ee845b0b4c39bdb7233a16429dd2182d8e3b985370167fb94a3d2f53b0779176"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7906",
    "kind": "arxiv",
    "version": 1
  }
}