Pith Number

pith:Y52G74UH

pith:2011:Y52G74UHTLFLMB67CRHKFPOUDW

not attested not anchored not stored refs pending

Ectoplasm with an Edge

C. Strickland-Constable, K. S. Stelle, P. S. Howe, T. G. Pugh

arxiv:1104.4387 v1 · 2011-04-22 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y52G74UHTLFLMB67CRHKFPOUDW}

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	2026-05-18T04:14:47.179349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7746ff2879acab607df144ea2bdd41dbc8dd2c3d37666ed843b0f5120e29a8a

Aliases

arxiv: 1104.4387 · arxiv_version: 1104.4387v1 · doi: 10.48550/arxiv.1104.4387 · pith_short_12: Y52G74UHTLFL · pith_short_16: Y52G74UHTLFLMB67 · pith_short_8: Y52G74UH

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/Y52G74UHTLFLMB67CRHKFPOUDW \
  | 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: c7746ff2879acab607df144ea2bdd41dbc8dd2c3d37666ed843b0f5120e29a8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7705c603db0a0ccf258b1eeca01e59005b38f85b55052d5d8aaf5ab9eb39c264",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-04-22T05:54:40Z",
    "title_canon_sha256": "d2408300a39b02b4ade96a07b72c4cccb53b320c19ed2e11bd35d6115924e348"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4387",
    "kind": "arxiv",
    "version": 1
  }
}