Pith Number

pith:QDZEBXPZ

pith:2014:QDZEBXPZV44JNUDDN4HGTGRJJH

not attested not anchored not stored refs pending

An Analysis of Chandra Deep Follow-up GRBs: Implications for Off-Axis Jets

Andrew MacFadyen, Bin-Bin Zhang, David N. Burrows, Eleonora Troja, Geoffrey Scott Ryan, Hendrik van Eerten, Judith L. Racusin, Philip A. Evans

arxiv:1405.4867 v2 · 2014-05-19 · 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{QDZEBXPZV44JNUDDN4HGTGRJJH}

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	2026-05-18T01:17:05.699230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80f240ddf9af3896d0636f0e699a2949d7ec3348315a9c41d9634c4632d1d7e7

Aliases

arxiv: 1405.4867 · arxiv_version: 1405.4867v2 · doi: 10.48550/arxiv.1405.4867 · pith_short_12: QDZEBXPZV44J · pith_short_16: QDZEBXPZV44JNUDD · pith_short_8: QDZEBXPZ

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/QDZEBXPZV44JNUDDN4HGTGRJJH \
  | 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: 80f240ddf9af3896d0636f0e699a2949d7ec3348315a9c41d9634c4632d1d7e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b13a12fe840408ce7c84abb49b0b70e9edd423f2835b6fc673e40ecfee96954c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-05-19T20:00:26Z",
    "title_canon_sha256": "36aea1864d59dcb0e99d90671f7bc574bfe8432935d44fa69b8e46e81850707f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4867",
    "kind": "arxiv",
    "version": 2
  }
}