Pith Number

pith:GB76CP44

pith:2007:GB76CP44VGSHIGCD4LVWBKU56U

not attested not anchored not stored refs pending

GRB Cosmology

Abraham Loeb, Volker Bromm

arxiv:0706.2445 v2 · 2007-06-18 · 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{GB76CP44VGSHIGCD4LVWBKU56U}

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	2026-05-18T04:09:16.174392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

307fe13f9ca9a4741843e2eb60aa9df50d111293238723ec96397d0a921bd2aa

Aliases

arxiv: 0706.2445 · arxiv_version: 0706.2445v2 · doi: 10.48550/arxiv.0706.2445 · pith_short_12: GB76CP44VGSH · pith_short_16: GB76CP44VGSHIGCD · pith_short_8: GB76CP44

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/GB76CP44VGSHIGCD4LVWBKU56U \
  | 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: 307fe13f9ca9a4741843e2eb60aa9df50d111293238723ec96397d0a921bd2aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6c7e7246115993298e12d1e5ba62f5b345d8ec206d5676eed15827c524c69ef",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-06-18T19:40:02Z",
    "title_canon_sha256": "6cb9bcc993c63db139498f17e924d755d3b8799bc3491160737116a9856be01c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0706.2445",
    "kind": "arxiv",
    "version": 2
  }
}