Pith Number

pith:JJBXEAPO

pith:2013:JJBXEAPOPJAGWSZAV7Q5E2WF6E

not attested not anchored not stored refs pending

Keck Observations of 160 Gamma-Ray Burst Host Galaxies

Daniel A. Perley (Caltech), Jason X. Prochaska (UCSC), Joshua S. Bloom (UCB)

arxiv:1308.2006 v1 · 2013-08-09 · astro-ph.CO · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JJBXEAPOPJAGWSZAV7Q5E2WF6E}

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	2026-05-18T03:16:18.482523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a437201ee7a406b4b20afe1d26ac5f130c9ae1a5bdf4df9b8f1ccf26547c3c3

Aliases

arxiv: 1308.2006 · arxiv_version: 1308.2006v1 · doi: 10.48550/arxiv.1308.2006 · pith_short_12: JJBXEAPOPJAG · pith_short_16: JJBXEAPOPJAGWSZA · pith_short_8: JJBXEAPO

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/JJBXEAPOPJAGWSZAV7Q5E2WF6E \
  | 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: 4a437201ee7a406b4b20afe1d26ac5f130c9ae1a5bdf4df9b8f1ccf26547c3c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd2b14c937c4db2c95e6512d139e2c65fcf193ff4cdb2525f24c236fffb19f4e",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-08-09T01:01:54Z",
    "title_canon_sha256": "256b76f210e26d1148edf275c9330d9e96cae6bba625c2a80823babbfb9348ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2006",
    "kind": "arxiv",
    "version": 1
  }
}