Pith Number

pith:YXMFREYV

pith:2009:YXMFREYVWPWHS6DCVMOUJXBYKG

not attested not anchored not stored refs pending

Identification and properties of the photospheric emission in GRB090902B

A.J. van der Horst, A. Pe'er, B.B. Zhang, B. Zhang, C. Lundman, E. Bissaldi, F. de Palma, F. Longo, F. Ryde, J. Bregeon, J. Chiang, J. Larsson, M. Axelsson, M. Battelino, M.S. Briggs, N. Omodei, R. Preece, S. Guiriec, S. Larsson, S. McBreen, S. McGlynn, V. Petrosian

arxiv:0911.2025 v3 · 2009-11-11 · astro-ph.HE · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YXMFREYVWPWHS6DCVMOUJXBYKG}

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	2026-05-18T02:10:48.918686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5d8589315b3ec797862ab1d44dc3851ac9d6f8ca9954715485d02b20b042b51

Aliases

arxiv: 0911.2025 · arxiv_version: 0911.2025v3 · doi: 10.48550/arxiv.0911.2025 · pith_short_12: YXMFREYVWPWH · pith_short_16: YXMFREYVWPWHS6DC · pith_short_8: YXMFREYV

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/YXMFREYVWPWHS6DCVMOUJXBYKG \
  | 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: c5d8589315b3ec797862ab1d44dc3851ac9d6f8ca9954715485d02b20b042b51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e23f8e817c8b0ea914588a7f350b504113122030e4fbc1e4ae5adc2ff6acf301",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-11-11T11:42:32Z",
    "title_canon_sha256": "10864233d8616d985d00c174aec96801c16827ba5a5818647b4f03198629ed79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2025",
    "kind": "arxiv",
    "version": 3
  }
}