Pith Number

pith:FQPB3BYM

pith:1996:FQPB3BYMRFTNOTDE444JKMTQF6

not attested not anchored not stored refs pending

The Oklo bound on the time variation of the fine-structure constant revisited

Freeman Dyson (IAS), Thibault Damour (IHES)

arxiv:hep-ph/9606486 v1 · 1996-06-28 · hep-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQPB3BYMRFTNOTDE444JKMTQF6}

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.

Cited by

1 paper in Pith

The Confrontation between General Relativity and Experiment

Receipt and verification

First computed	2026-05-18T01:06:18.355848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c1e1d870c8966d74c64e7389532702f94e68a8e8144409cff060575d53e0ae5

Aliases

arxiv: hep-ph/9606486 · arxiv_version: hep-ph/9606486v1 · doi: 10.48550/arxiv.hep-ph/9606486 · pith_short_12: FQPB3BYMRFTN · pith_short_16: FQPB3BYMRFTNOTDE · pith_short_8: FQPB3BYM

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/FQPB3BYMRFTNOTDE444JKMTQF6 \
  | 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: 2c1e1d870c8966d74c64e7389532702f94e68a8e8144409cff060575d53e0ae5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27300dedeaf2eddc6226d09526d0d4e44dd7185528bf8545ea7418e2343bc6a6",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1996-06-28T08:13:08Z",
    "title_canon_sha256": "293feb313fc99982ff29c751418b73fc0982104b3e6d346659a26b2823dc0cdc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9606486",
    "kind": "arxiv",
    "version": 1
  }
}