Pith Number

pith:QGI5GLZM

pith:1997:QGI5GLZMS7FNIRHUYDTKXQZ2OU

not attested not anchored not stored refs pending

The Star Formation History of Field Galaxies

Lucia Pozzetti, Mark Dickinson, Piero Madau

arxiv:astro-ph/9708220 v1 · 1997-08-25 · 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{QGI5GLZMS7FNIRHUYDTKXQZ2OU}

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.

Cited by

2 papers in Pith

A Measurement of the Thermal and Ionization State of the IGM at $z < 0.5$

New Isocurvature Constraints from JWST UV Luminosity Function

Receipt and verification

First computed	2026-07-04T16:03:12.487798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8191d32f2c97cad444f4c0e6abc33a7501aa96de3691e67d681166b8f4d354ab

Aliases

arxiv: astro-ph/9708220 · arxiv_version: astro-ph/9708220v1 · doi: 10.48550/arxiv.astro-ph/9708220 · pith_short_12: QGI5GLZMS7FN · pith_short_16: QGI5GLZMS7FNIRHU · pith_short_8: QGI5GLZM

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/QGI5GLZMS7FNIRHUYDTKXQZ2OU \
  | 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: 8191d32f2c97cad444f4c0e6abc33a7501aa96de3691e67d681166b8f4d354ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18b1c3ca026731a0993b36515b9f9533c8c081842f77ac01a2b2b9c2284c436e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-08-25T21:17:15Z",
    "title_canon_sha256": "ee73ea1ecbd2a5e9e4639cf6e189526abb746af27ee0ee3a529abdff6b580976"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9708220",
    "kind": "arxiv",
    "version": 1
  }
}