Pith Number

pith:YCAEGBAE

pith:2019:YCAEGBAEDKQDROP5KQCUMVO5UH

not attested not anchored not stored refs pending

Resolving the decades-long transient FIRST J141918.9+394036: an orphan long gamma-ray burst or a young magnetar nebula?

B. Marcote, E. Petroff, J. W. T. Hessels, K. Nimmo, O. S. Salafia, R. Karuppusamy, Z. Paragi

arxiv:1902.06731 v2 · 2019-02-18 · 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{YCAEGBAEDKQDROP5KQCUMVO5UH}

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	2026-05-17T23:46:18.577529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0804304041aa038b9fd54054655dda1f83e1a60dd71056a8ccc762205f6044b

Aliases

arxiv: 1902.06731 · arxiv_version: 1902.06731v2 · doi: 10.48550/arxiv.1902.06731 · pith_short_12: YCAEGBAEDKQD · pith_short_16: YCAEGBAEDKQDROP5 · pith_short_8: YCAEGBAE

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/YCAEGBAEDKQDROP5KQCUMVO5UH \
  | 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: c0804304041aa038b9fd54054655dda1f83e1a60dd71056a8ccc762205f6044b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "732299f9902e585f6c62e6978764e910309a7fce71a7bdb8d8e37977d12d3ef7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-02-18T18:55:48Z",
    "title_canon_sha256": "312ae0c0c8a6a6825d30c4f5104c142616e066de923fefed1e45655a377c65b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06731",
    "kind": "arxiv",
    "version": 2
  }
}