Pith Number

pith:V56LYBS3

pith:2005:V56LYBS3EFWZOS7LHDUE5KZ3KN

not attested not anchored not stored refs pending

ESTREMO: Extreme phySics in the TRansient and Evolving COsmos

Enrico Costa, INAF), Istituto Astrofisica Spaziale e Fisica Cosmica - Rome, Luigi Piro (on behalf of the ESTREMO collaboration

arxiv:astro-ph/0506021 v1 · 2005-06-01 · 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{V56LYBS3EFWZOS7LHDUE5KZ3KN}

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	2026-05-18T04:36:29.954413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af7cbc065b216d974beb38e84eab3b535d3c6656211740fac0b546ef6ace1356

Aliases

arxiv: astro-ph/0506021 · arxiv_version: astro-ph/0506021v1 · doi: 10.48550/arxiv.astro-ph/0506021 · pith_short_12: V56LYBS3EFWZ · pith_short_16: V56LYBS3EFWZOS7L · pith_short_8: V56LYBS3

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/V56LYBS3EFWZOS7LHDUE5KZ3KN \
  | 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: af7cbc065b216d974beb38e84eab3b535d3c6656211740fac0b546ef6ace1356

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d5c455ccdd9b22943dc966d7d8e35cfc4d06d9218a22beee4924c44bd63b466",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-06-01T15:41:22Z",
    "title_canon_sha256": "8984cc53dc1f7ab40b60552ca3c97913460e25dd211f08a087cda716f26a1eb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0506021",
    "kind": "arxiv",
    "version": 1
  }
}