Pith Number

pith:DKRUDVQJ

pith:2014:DKRUDVQJ3IWKWS42YIJY7VOMWU

not attested not anchored not stored refs pending

Metallicity Measurements of Gamma-Ray Burst and Supernova Explosion Sites: Lessons from HII regions in M31

Bing Zhang, Kentaro Nagamine, Yuu Niino

arxiv:1408.7059 v2 · 2014-08-29 · 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{DKRUDVQJ3IWKWS42YIJY7VOMWU}

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	2026-05-18T01:42:11.733792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1aa341d609da2cab4b9ac2138fd5ccb515e70b43fb6336da1c0a9db5cf28055e

Aliases

arxiv: 1408.7059 · arxiv_version: 1408.7059v2 · doi: 10.48550/arxiv.1408.7059 · pith_short_12: DKRUDVQJ3IWK · pith_short_16: DKRUDVQJ3IWKWS42 · pith_short_8: DKRUDVQJ

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/DKRUDVQJ3IWKWS42YIJY7VOMWU \
  | 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: 1aa341d609da2cab4b9ac2138fd5ccb515e70b43fb6336da1c0a9db5cf28055e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3ae94d6da707d4b87b0e6b547a1d616c3306d7e15951effc8435823b0916a63",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-08-29T15:46:15Z",
    "title_canon_sha256": "10ab6c1606ff2995fbebccac820e41cdb68b08c8f980164af8fdeadf7b2b9691"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.7059",
    "kind": "arxiv",
    "version": 2
  }
}