Pith Number

pith:ZDFKOAK6

pith:2011:ZDFKOAK6U4AZOYEFOZMWKGL222

not attested not anchored not stored refs pending

Spectral Identification of New Galactic cLBV and WR Stars

A. Y. Kniazev, G. S. Stringfellow, V. V. Gvaramadze, Y. Beletsky

arxiv:1112.2686 v1 · 2011-12-12 · 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{ZDFKOAK6U4AZOYEFOZMWKGL222}

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	2026-05-18T04:06:33.608718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8caa7015ea701976085765965197ad683c9ca238fe657cd27ece0a13b88324b

Aliases

arxiv: 1112.2686 · arxiv_version: 1112.2686v1 · doi: 10.48550/arxiv.1112.2686 · pith_short_12: ZDFKOAK6U4AZ · pith_short_16: ZDFKOAK6U4AZOYEF · pith_short_8: ZDFKOAK6

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/ZDFKOAK6U4AZOYEFOZMWKGL222 \
  | 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: c8caa7015ea701976085765965197ad683c9ca238fe657cd27ece0a13b88324b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d21a03779f000f3121b232df006f9dd2ba5a47708cdef1b9a29d5090ea8d32b9",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-12-12T20:27:51Z",
    "title_canon_sha256": "e541c265c8396539b1035da7e12f611a600231d28d9f87852304b4909df3dd95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.2686",
    "kind": "arxiv",
    "version": 1
  }
}