Pith Number

pith:JMVX6CAD

pith:2009:JMVX6CADXZB3BB2KHLELCJYLAK

not attested not anchored not stored refs pending

X-Ray Flares In GRB090812 - Case Study

Arnon Dar, Shlomo Dado

arxiv:0908.2849 v2 · 2009-08-20 · 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{JMVX6CADXZB3BB2KHLELCJYLAK}

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	2026-05-18T03:48:46.783643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b2b7f0803be43b0874a3ac8b1270b028d53fb8f8c74305164d96044922f118e

Aliases

arxiv: 0908.2849 · arxiv_version: 0908.2849v2 · doi: 10.48550/arxiv.0908.2849 · pith_short_12: JMVX6CADXZB3 · pith_short_16: JMVX6CADXZB3BB2K · pith_short_8: JMVX6CAD

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/JMVX6CADXZB3BB2KHLELCJYLAK \
  | 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: 4b2b7f0803be43b0874a3ac8b1270b028d53fb8f8c74305164d96044922f118e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "feed36b0b23be3a5af1686b16561cf8a4a62124f13fc712d4c29f8e40179c915",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-08-20T03:37:54Z",
    "title_canon_sha256": "0e74365cf47a29e1c0ea85a8b1cb98f0d73e25ea0a5d5e5ddab75b4dc68a37f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2849",
    "kind": "arxiv",
    "version": 2
  }
}