Pith Number

pith:WMTF4A7G

pith:2015:WMTF4A7G37FACD7GI4KC2RT32V

not attested not anchored not stored refs pending

On the limit between short and long GRBs

Mariusz Tarnopolski

arxiv:1506.07862 v2 · 2015-06-25 · astro-ph.HE · physics.space-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{WMTF4A7G37FACD7GI4KC2RT32V}

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	2026-05-18T01:35:07.419293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3265e03e6dfca010fe647142d467bd549e7db6919a23dae356f109a107cc429

Aliases

arxiv: 1506.07862 · arxiv_version: 1506.07862v2 · doi: 10.48550/arxiv.1506.07862 · pith_short_12: WMTF4A7G37FA · pith_short_16: WMTF4A7G37FACD7G · pith_short_8: WMTF4A7G

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/WMTF4A7G37FACD7GI4KC2RT32V \
  | 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: b3265e03e6dfca010fe647142d467bd549e7db6919a23dae356f109a107cc429

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d97904ea301c720dac99e7362710608f0dacf2fc6f20e35b0db7e9b3b0cb0c5",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-06-25T19:29:43Z",
    "title_canon_sha256": "7cfb21f3c67a808462732c6e4376ae750550b80af8605a6ad42b70d078d1fe6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07862",
    "kind": "arxiv",
    "version": 2
  }
}