Pith Number

pith:WITYOEVF

pith:2012:WITYOEVFWFNVAWYTFFZ4HUOCKK

not attested not anchored not stored refs pending

Detection of a 1.59 h period in the B supergiant star HD 202850

Majda Smole, Mary E. Oksala, Michaela Kraus, Sanja Tomic

arxiv:1205.5391 v1 · 2012-05-24 · 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{WITYOEVFWFNVAWYTFFZ4HUOCKK}

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	2026-05-18T02:21:09.765401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2278712a5b15b505b132973c3d1c252a83e5e71219388d60d2d753a05b3865c

Aliases

arxiv: 1205.5391 · arxiv_version: 1205.5391v1 · doi: 10.48550/arxiv.1205.5391 · pith_short_12: WITYOEVFWFNV · pith_short_16: WITYOEVFWFNVAWYT · pith_short_8: WITYOEVF

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/WITYOEVFWFNVAWYTFFZ4HUOCKK \
  | 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: b2278712a5b15b505b132973c3d1c252a83e5e71219388d60d2d753a05b3865c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5194d13c0df5396410216ebd688b674dac6287bb39450a4f189c1d30a975f802",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-05-24T10:25:00Z",
    "title_canon_sha256": "98d04d5319851f9fa7ae20c383d736310c8a79bc4038e615fe1607ea8efb016c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.5391",
    "kind": "arxiv",
    "version": 1
  }
}