Pith Number

pith:BET5GCFO

pith:2021:BET5GCFOYEOE6EXLLGLY6QZ6VO

not attested not anchored not stored refs pending

Spectroscopic observations of PHz G237.01+42.50: A galaxy protocluster at z=2.16 in the Cosmos field

B. L. Frye, E. Pointecouteau, F. Cusano, G. Lagache, G. Soucail, G. Vietri, H. Dole, L. Montier, M. D. Lehnert, M. Fumana, M. Polletta, M. Scodeggio, Y. Koyama

arxiv:2109.04396 v1 · 2021-09-09 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BET5GCFOYEOE6EXLLGLY6QZ6VO}

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	2026-07-05T03:26:07.275500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0927d308aec11c4f12eb59978f433eaba7446340f25eaec3e234cf668650da34

Aliases

arxiv: 2109.04396 · arxiv_version: 2109.04396v1 · doi: 10.48550/arxiv.2109.04396 · pith_short_12: BET5GCFOYEOE · pith_short_16: BET5GCFOYEOE6EXL · pith_short_8: BET5GCFO

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/BET5GCFOYEOE6EXLLGLY6QZ6VO \
  | 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: 0927d308aec11c4f12eb59978f433eaba7446340f25eaec3e234cf668650da34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c680bcd4f728131a8afd966f45a431f8989e90c79bacb77260fe53ba898f60a1",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-09-09T16:35:42Z",
    "title_canon_sha256": "4f770fc213a844d15864079e8ad792b58d64775d78ef1a1deea3897572a03849"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.04396",
    "kind": "arxiv",
    "version": 1
  }
}