Pith Number

pith:W5RGCMYH

pith:2019:W5RGCMYHSW5BQT7KDPIMMMTMNG

not attested not anchored not stored refs pending

Constraints on Gamma-ray Burst Inner Engines in a Blandford-Znajek Framework

Chris Fryer, Chris Torres, Jonah Miller, Neelima Prasad, Nicole M. Lloyd-Ronning, Phillip Martin

arxiv:1902.01974 v1 · 2019-02-05 · 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{W5RGCMYHSW5BQT7KDPIMMMTMNG}

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	2026-05-17T23:53:20.501604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b76261330795ba184fea1bd0c6326c69969b564ed5c3cd0ad367a40d40698dd3

Aliases

arxiv: 1902.01974 · arxiv_version: 1902.01974v1 · doi: 10.48550/arxiv.1902.01974 · pith_short_12: W5RGCMYHSW5B · pith_short_16: W5RGCMYHSW5BQT7K · pith_short_8: W5RGCMYH

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/W5RGCMYHSW5BQT7KDPIMMMTMNG \
  | 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: b76261330795ba184fea1bd0c6326c69969b564ed5c3cd0ad367a40d40698dd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44680654705a286d27064b685edef76652a8e0133e09026d46bcdcac0114423c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-02-05T23:23:31Z",
    "title_canon_sha256": "eea5cd2e07f3e5750bb9fd8a4a2e5f6034edab99256564a8cdefb2b72aa2d23e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01974",
    "kind": "arxiv",
    "version": 1
  }
}