Pith Number

pith:PEJ2RE2J

pith:2007:PEJ2RE2JF6FSEAHOM3JQKNET7C

not attested not anchored not stored refs pending

Properties of a Gamma Ray Burst Host Galaxy at z ~ 5

A. Cucchiara, A. Songaila, B. Penprase, B. Schmidt, D. B. Fox, E. Berger, I. Hook, J. Bell Burnell, K. C. Roth, L. L. Cowie, P. A. Price, S. R. Kulkarni

arxiv:0705.4101 v1 · 2007-05-28 · 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{PEJ2RE2JF6FSEAHOM3JQKNET7C}

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	2026-05-18T04:36:42.218246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7913a893492f8b2200ee66d3053493f8ae0c92fb2d5c34382b00d6eb882fc8fd

Aliases

arxiv: 0705.4101 · arxiv_version: 0705.4101v1 · doi: 10.48550/arxiv.0705.4101 · pith_short_12: PEJ2RE2JF6FS · pith_short_16: PEJ2RE2JF6FSEAHO · pith_short_8: PEJ2RE2J

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/PEJ2RE2JF6FSEAHOM3JQKNET7C \
  | 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: 7913a893492f8b2200ee66d3053493f8ae0c92fb2d5c34382b00d6eb882fc8fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33b0b1a7238a623a73336cd1afc16dc60b5c54b2a80f47c6c4dd7451841d6fd9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-05-28T20:04:01Z",
    "title_canon_sha256": "35d87a47554ab8054aae0b80361113b7f987169771fb720eb3bfc6f31aefed60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.4101",
    "kind": "arxiv",
    "version": 1
  }
}