Pith Number

pith:IUIYZ2EO

pith:2009:IUIYZ2EOCJJGXJVSZKC4KKSX5E

not attested not anchored not stored refs pending

Universal Constants, Standard Models and Fundamental Metrology

G. Cohen-Tannoudji

arxiv:0905.0975 v1 · 2009-05-07 · hep-th · gr-qc · quant-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{IUIYZ2EOCJJGXJVSZKC4KKSX5E}

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

Tantum Gravity

Receipt and verification

First computed	2026-07-04T15:54:16.778757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45118ce88e12526ba6b2ca85c52a57e93dade631590067789733424ffc754291

Aliases

arxiv: 0905.0975 · arxiv_version: 0905.0975v1 · doi: 10.48550/arxiv.0905.0975 · pith_short_12: IUIYZ2EOCJJG · pith_short_16: IUIYZ2EOCJJGXJVS · pith_short_8: IUIYZ2EO

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/IUIYZ2EOCJJGXJVSZKC4KKSX5E \
  | 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: 45118ce88e12526ba6b2ca85c52a57e93dade631590067789733424ffc754291

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79070580dafadabed05a775efc1091653f8f526b87d536d7895d440f45156993",
    "cross_cats_sorted": [
      "gr-qc",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-05-07T09:58:20Z",
    "title_canon_sha256": "c873942873f0e465e3dce8d923680a160feab5310fc7367dfc61621e587db87e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0975",
    "kind": "arxiv",
    "version": 1
  }
}