Pith Number

pith:63J6CROX

pith:2003:63J6CROXBNSSUGWMCY6624PP62

not attested not anchored not stored refs pending

Intergalactic HII Regions Discovered in SINGG

(2) JHU, (3) RSAA, (4) CASA, ANU, E. V. Ryan-Weber (1), G. R. Meurer (2), K. C. Freeman (3), M. E. Putman (4), R. L. Webster (1), the SINGG team ((1) U. Melbourne, U. Colorado)

arxiv:astro-ph/0311465 v1 · 2003-11-20 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{63J6CROXBNSSUGWMCY6624PP62}

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	2026-05-18T01:40:37.781828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6d3e145d70b652a1acc163ded71eff6af1b7bf0df31210382caf31970a321bb

Aliases

arxiv: astro-ph/0311465 · arxiv_version: astro-ph/0311465v1 · doi: 10.48550/arxiv.astro-ph/0311465 · pith_short_12: 63J6CROXBNSS · pith_short_16: 63J6CROXBNSSUGWM · pith_short_8: 63J6CROX

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/63J6CROXBNSSUGWMCY6624PP62 \
  | 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: f6d3e145d70b652a1acc163ded71eff6af1b7bf0df31210382caf31970a321bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0227e3cc4a75b1cb6ce2d504a89ff995ec1d5ad349e25a427e68532209872661",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-11-20T01:57:00Z",
    "title_canon_sha256": "0a8b33ace3fa9bdcb4e3a7c145b0da24bd8614cfaf63c3311469ff5f1fc27934"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0311465",
    "kind": "arxiv",
    "version": 1
  }
}