Pith Number

pith:VWDTIHZN

pith:2017:VWDTIHZNEYOOXPXIFCQWTCFSPL

not attested not anchored not stored refs pending

Which Stars are Ionizing the Orion Nebula ?

C. R. O'Dell, G. J. Ferland, W. Kollatschny

arxiv:1703.06191 v1 · 2017-03-17 · 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{VWDTIHZNEYOOXPXIFCQWTCFSPL}

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	2026-05-18T00:48:25.500012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad87341f2d261cebbee828a16988b27af81f61ff711a797890c05f3819c9e8a3

Aliases

arxiv: 1703.06191 · arxiv_version: 1703.06191v1 · doi: 10.48550/arxiv.1703.06191 · pith_short_12: VWDTIHZNEYOO · pith_short_16: VWDTIHZNEYOOXPXI · pith_short_8: VWDTIHZN

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/VWDTIHZNEYOOXPXIFCQWTCFSPL \
  | 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: ad87341f2d261cebbee828a16988b27af81f61ff711a797890c05f3819c9e8a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1025a8c4efd64eac3c39058e764f4f1ff2eeab80c01e1e95404c547ab9b19af6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-03-17T20:27:46Z",
    "title_canon_sha256": "2e8b4d1ba75806f4083782a340d85dd874383a188cf469d2614ba8cc76c25884"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.06191",
    "kind": "arxiv",
    "version": 1
  }
}