Pith Number

pith:4Q5RJRV4

pith:2012:4Q5RJRV4THU67TRIH3A6ADZR4K

not attested not anchored not stored refs pending

Nil happens. What about Sol?

T. Tam Nguyen Phan

arxiv:1207.1734 v1 · 2012-07-06 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4Q5RJRV4THU67TRIH3A6ADZR4K}

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	2026-05-18T03:51:34.824827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e43b14c6bc99e9efce283ec1e00f31e295233584f95d0cdd1c61fbf5269f115d

Aliases

arxiv: 1207.1734 · arxiv_version: 1207.1734v1 · doi: 10.48550/arxiv.1207.1734 · pith_short_12: 4Q5RJRV4THU6 · pith_short_16: 4Q5RJRV4THU67TRI · pith_short_8: 4Q5RJRV4

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/4Q5RJRV4THU67TRIH3A6ADZR4K \
  | 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: e43b14c6bc99e9efce283ec1e00f31e295233584f95d0cdd1c61fbf5269f115d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08e3bf9df7c81914a52b2fe68c8e18a8891663e47fbd8722b93fa55a342a3282",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-07-06T21:10:49Z",
    "title_canon_sha256": "c6f050c69e405e40df41e775c23c3445996a17aa7629e627f8e04389a88b9714"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1734",
    "kind": "arxiv",
    "version": 1
  }
}