Pith Number

pith:HVJXBFP4

pith:2022:HVJXBFP43YNJCVMRRBPRWEQRAA

not attested not anchored not stored refs pending

GRB 080928 afterglow imaging and spectro-polarimetry

A. Melandri, J.R. Maund, K. Wiersema, M.G. Bernardini, P. D'Avanzo, R. Brivio, S. Campana, S. Covino

arxiv:2209.02557 v1 · 2022-09-06 · 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{HVJXBFP43YNJCVMRRBPRWEQRAA}

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	2026-07-05T05:10:12.614693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d537095fcde1a915591885f1b1211002975985a602c72c9d79009555e4edf54

Aliases

arxiv: 2209.02557 · arxiv_version: 2209.02557v1 · doi: 10.48550/arxiv.2209.02557 · pith_short_12: HVJXBFP43YNJ · pith_short_16: HVJXBFP43YNJCVMR · pith_short_8: HVJXBFP4

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/HVJXBFP43YNJCVMRRBPRWEQRAA \
  | 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: 3d537095fcde1a915591885f1b1211002975985a602c72c9d79009555e4edf54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ac40a9b7ff51dc6a73fdf1cfb77f47d38770e9858db6b94d4a8f95059917172",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-09-06T15:09:36Z",
    "title_canon_sha256": "5c7c48c05230187b9b50faf1e618e3acab0c13c5b1cb877a3292dfa71fb79d44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.02557",
    "kind": "arxiv",
    "version": 1
  }
}