Pith Number

pith:AC7ZAALW

pith:2015:AC7ZAALWMXJRAOYBA2IOARNSBV

not attested not anchored not stored refs pending

Properties of dwarf stars in Cygnus OB2

A. S. Shapovalova, M. V. Yushkin, O. V. Maryeva, S. Yu. Gorda, S. Yu. Parfenov

arxiv:1512.05416 v1 · 2015-12-16 · astro-ph.SR · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AC7ZAALWMXJRAOYBA2IOARNSBV}

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	2026-05-18T01:21:50.909061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00bf90017665d3103b010690e045b20d57bf7d3153fd437976cc314fb9f38137

Aliases

arxiv: 1512.05416 · arxiv_version: 1512.05416v1 · doi: 10.48550/arxiv.1512.05416 · pith_short_12: AC7ZAALWMXJR · pith_short_16: AC7ZAALWMXJRAOYB · pith_short_8: AC7ZAALW

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/AC7ZAALWMXJRAOYBA2IOARNSBV \
  | 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: 00bf90017665d3103b010690e045b20d57bf7d3153fd437976cc314fb9f38137

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d38cb60b3e6fa68b7ec0d45987c00cc9f88650a912adcf0fe18a84fd7489cd1",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-12-16T23:55:42Z",
    "title_canon_sha256": "acd60e7664f94fba37d848cbff2beb2c2f30d7118187e65e4571f90aa7149d7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.05416",
    "kind": "arxiv",
    "version": 1
  }
}