Pith Number

pith:6PXAMACX

pith:2007:6PXAMACXEE7QUTUTEIKCDHBDHL

not attested not anchored not stored refs pending

GRBs with optical afterglow and known redshift: a statistical study

A. Biryukov, A. Guarnieri, A. Piccioni, C. Bartolini, D.Bad'in, G.Beskin, G. Greco, S.Karpov

arxiv:astro-ph/0701306 v1 · 2007-01-10 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6PXAMACXEE7QUTUTEIKCDHBDHL}

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	2026-05-18T04:36:20.490468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3ee060057213f0a4e932214219c233acabfb71d35a338409704fc66c3b1b8a8

Aliases

arxiv: astro-ph/0701306 · arxiv_version: astro-ph/0701306v1 · doi: 10.48550/arxiv.astro-ph/0701306 · pith_short_12: 6PXAMACXEE7Q · pith_short_16: 6PXAMACXEE7QUTUT · pith_short_8: 6PXAMACX

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/6PXAMACXEE7QUTUTEIKCDHBDHL \
  | 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: f3ee060057213f0a4e932214219c233acabfb71d35a338409704fc66c3b1b8a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8edcaf8def4cb98ca80137f662324b330dddada0a534887313a4b29b7b5f311",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-10T17:51:51Z",
    "title_canon_sha256": "df23b3b33e25b3a95b6e46c7f7f0424cd6deb14f3b2ef94942c914e18551b683"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701306",
    "kind": "arxiv",
    "version": 1
  }
}