Pith Number

pith:FM25F2OD

pith:2015:FM25F2ODX2EW5BTB3R5BZG3JFA

not attested not anchored not stored refs pending

The Relative Rate of LGRB Formation as a Function of Metallicity

A. S. Fruchter, J. F. Graham

arxiv:1511.01079 v2 · 2015-11-03 · astro-ph.HE · 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{FM25F2ODX2EW5BTB3R5BZG3JFA}

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	2026-05-18T00:52:17.657399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b35d2e9c3be896e8661dc7a1c9b692802bd096d32cdfb782b0adb5821b14280

Aliases

arxiv: 1511.01079 · arxiv_version: 1511.01079v2 · doi: 10.48550/arxiv.1511.01079 · pith_short_12: FM25F2ODX2EW · pith_short_16: FM25F2ODX2EW5BTB · pith_short_8: FM25F2OD

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/FM25F2ODX2EW5BTB3R5BZG3JFA \
  | 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: 2b35d2e9c3be896e8661dc7a1c9b692802bd096d32cdfb782b0adb5821b14280

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1df78be293f11476aa43e44d303590a7a335feb86f8105bc807c57715645747d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-11-03T20:46:00Z",
    "title_canon_sha256": "aac1f034914358056515993978d7bb4ef2f272071f48d6717aff550fb3ead89f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01079",
    "kind": "arxiv",
    "version": 2
  }
}