Pith Number

pith:DQ4ZL7QO

pith:2009:DQ4ZL7QOO7UHNM4AGNWGT3HIPU

not attested not anchored not stored refs pending

FormCalc 6

T. Hahn

arxiv:0901.1528 v1 · 2009-01-12 · hep-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{DQ4ZL7QOO7UHNM4AGNWGT3HIPU}

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	2026-05-18T02:35:08.272079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c3995fe0e77e876b380336c69ece87d330548a800d8d2e2fb5a501607da5949

Aliases

arxiv: 0901.1528 · arxiv_version: 0901.1528v1 · doi: 10.48550/arxiv.0901.1528 · pith_short_12: DQ4ZL7QOO7UH · pith_short_16: DQ4ZL7QOO7UHNM4A · pith_short_8: DQ4ZL7QO

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/DQ4ZL7QOO7UHNM4AGNWGT3HIPU \
  | 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: 1c3995fe0e77e876b380336c69ece87d330548a800d8d2e2fb5a501607da5949

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7586e2be17fea99ead99604a88481dd62965e910a41648ffd61c3dbbd0a6ca9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2009-01-12T09:36:57Z",
    "title_canon_sha256": "1e32b255c6cf9ea66d2891b000e40dbd55debc191e2872f01f5637adc69169ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1528",
    "kind": "arxiv",
    "version": 1
  }
}