Pith Number

pith:J72HMONQ

pith:2012:J72HMONQZ66KWQOJARNXD2C4CF

not attested not anchored not stored refs pending

The H1 Data Preservation Project

David M. South, Michael Steder

arxiv:1206.5200 v1 · 2012-06-22 · physics.data-an · cs.DL · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J72HMONQZ66KWQOJARNXD2C4CF}

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	2026-05-18T01:56:43.143029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ff47639b0cfbcab41c9045b71e85c11599b4f85025f1440640080903f202241

Aliases

arxiv: 1206.5200 · arxiv_version: 1206.5200v1 · doi: 10.48550/arxiv.1206.5200 · pith_short_12: J72HMONQZ66K · pith_short_16: J72HMONQZ66KWQOJ · pith_short_8: J72HMONQ

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/J72HMONQZ66KWQOJARNXD2C4CF \
  | 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: 4ff47639b0cfbcab41c9045b71e85c11599b4f85025f1440640080903f202241

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "270ac5b0f61e7297ac6bbc7a40df65ea0b48865fe576fc0a4ae21788d36b1c5e",
    "cross_cats_sorted": [
      "cs.DL",
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2012-06-22T16:41:02Z",
    "title_canon_sha256": "98f1070a59d56f1bffc57d2168ab2eb5098791af85c39ddad597da88c6cfcb31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.5200",
    "kind": "arxiv",
    "version": 1
  }
}