Pith Number

pith:2GBEAMIO

pith:2000:2GBEAMIO4FQRLXWG7CJHX6Q3GZ

not attested not anchored not stored refs pending

Hiden Star Formation: The Ultraviolet Perspective

C.C. Steidel, D. Calzetti, D. Sanders, G.R. Meurer, J.D. Goldader, M. Seibert, T.M. Heckman

arxiv:astro-ph/0011201 v2 · 2000-11-09 · 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{2GBEAMIO4FQRLXWG7CJHX6Q3GZ}

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	2026-07-04T14:10:52.120202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d18240310ee16115dec6f8927bfa1b36713b0c65e3b8e39caae010636cab36be

Aliases

arxiv: astro-ph/0011201 · arxiv_version: astro-ph/0011201v2 · doi: 10.48550/arxiv.astro-ph/0011201 · pith_short_12: 2GBEAMIO4FQR · pith_short_16: 2GBEAMIO4FQRLXWG · pith_short_8: 2GBEAMIO

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/2GBEAMIO4FQRLXWG7CJHX6Q3GZ \
  | 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: d18240310ee16115dec6f8927bfa1b36713b0c65e3b8e39caae010636cab36be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f9aec55e4e74d496794526ab7280b1348e5dc745e421efd624400b8b97a0e7c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-11-09T16:10:36Z",
    "title_canon_sha256": "66dd65e9482915bb58d85cf5f847deafb646506293c2edcf96d284ef0a94dc8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0011201",
    "kind": "arxiv",
    "version": 2
  }
}