Pith Number

pith:HGJ2ZLTG

pith:2009:HGJ2ZLTGREZT3XQMB3B7Y2MY3L

not attested not anchored not stored refs pending

An apparent GRBs evolution around us or a sampling of thin GRB beaming jets?

D. D'Armiento, D. Fargion

arxiv:0910.2273 v2 · 2009-10-13 · 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{HGJ2ZLTGREZT3XQMB3B7Y2MY3L}

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	2026-05-18T02:34:19.152117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3993acae6689333dde0c0ec3fc6998daff140b3ce4107b33d3048a29e86398af

Aliases

arxiv: 0910.2273 · arxiv_version: 0910.2273v2 · doi: 10.48550/arxiv.0910.2273 · pith_short_12: HGJ2ZLTGREZT · pith_short_16: HGJ2ZLTGREZT3XQM · pith_short_8: HGJ2ZLTG

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/HGJ2ZLTGREZT3XQMB3B7Y2MY3L \
  | 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: 3993acae6689333dde0c0ec3fc6998daff140b3ce4107b33d3048a29e86398af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d57ac894c0c6f0897d29fd3aa6c71906a48be9e6be060dd5171906ee8b6587a0",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-10-13T00:07:05Z",
    "title_canon_sha256": "65615a004a4930f250768978923706ce3a355ab068ba8bc181b18b68c016217a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2273",
    "kind": "arxiv",
    "version": 2
  }
}