Pith Number

pith:Q3UPO4HI

pith:2022:Q3UPO4HIT4ESBYACSBPQXY6OVT

not attested not anchored not stored refs pending

GRB 210217A: A short or a long GRB?

Amit Kumar, Ankur Ghosh, Dimple, K. G. Arun, Kuntal Misra, Lallan Yadav, L. Resmi, Rahul Gupta, S. B. Pandey

arxiv:2202.01191 v1 · 2022-02-02 · 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{Q3UPO4HIT4ESBYACSBPQXY6OVT}

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	2026-07-05T06:08:03.292219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86e8f770e89f0920e002905f0be3ceacec501c1d2ce2558159bdd8797e06bcb3

Aliases

arxiv: 2202.01191 · arxiv_version: 2202.01191v1 · doi: 10.48550/arxiv.2202.01191 · pith_short_12: Q3UPO4HIT4ES · pith_short_16: Q3UPO4HIT4ESBYAC · pith_short_8: Q3UPO4HI

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/Q3UPO4HIT4ESBYACSBPQXY6OVT \
  | 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: 86e8f770e89f0920e002905f0be3ceacec501c1d2ce2558159bdd8797e06bcb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e79a5cda8ff6906a1d719e714aa42bba17c495618f972b01a0b3dd8aa3bd5c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-02-02T18:35:00Z",
    "title_canon_sha256": "50a7f285a4859ba402a73d2a7c4fc14b0f413a9f67dcedbea215c984336f353a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.01191",
    "kind": "arxiv",
    "version": 1
  }
}