Pith Number

pith:EWQ5FWOR

pith:2017:EWQ5FWORGMZFM474AQLREBMNBN

not attested not anchored not stored refs pending

Absolute dimensions of the F-type eclipsing binary V2154 Cygni

2), (2) Denison University, Guillermo Torres (1) ((1) Harvard-Smithsonian Center for Astrophysics, Jane C. Bright (1, Ohio)

arxiv:1710.02524 v1 · 2017-10-06 · 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{EWQ5FWORGMZFM474AQLREBMNBN}

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	2026-05-18T00:29:28.201452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25a1d2d9d133325673fc041712058d0b771e52b6374acd488f85eedbec820745

Aliases

arxiv: 1710.02524 · arxiv_version: 1710.02524v1 · doi: 10.48550/arxiv.1710.02524 · pith_short_12: EWQ5FWORGMZF · pith_short_16: EWQ5FWORGMZFM474 · pith_short_8: EWQ5FWOR

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/EWQ5FWORGMZFM474AQLREBMNBN \
  | 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: 25a1d2d9d133325673fc041712058d0b771e52b6374acd488f85eedbec820745

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "467d4cd45ad1bb44cb9027b7c310c42315c91a93f749788b71e8af9aca9281d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-10-06T18:00:00Z",
    "title_canon_sha256": "57f24047fbea15e7a18329bbf14bc7d97d9f96dd9c0befa16e95fd1326468264"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.02524",
    "kind": "arxiv",
    "version": 1
  }
}