Pith Number

pith:U2VGBKOE

pith:1992:U2VGBKOENFGOHH45YZP45QRRKJ

not attested not anchored not stored refs pending

Four Dimensional Stringy Black Membrane

Gautam Sengupta, S. Pratik Khastgir, Supriya K. Kar

arxiv:hep-th/9205062 v1 · 1992-05-18 · 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{U2VGBKOENFGOHH45YZP45QRRKJ}

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	2026-07-04T15:55:21.490736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6aa60a9c4694ce39f9dc65fcec2315250ceb3b2d462251a293fadfbba331cb8

Aliases

arxiv: hep-th/9205062 · arxiv_version: hep-th/9205062v1 · doi: 10.48550/arxiv.hep-th/9205062 · pith_short_12: U2VGBKOENFGO · pith_short_16: U2VGBKOENFGOHH45 · pith_short_8: U2VGBKOE

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/U2VGBKOENFGOHH45YZP45QRRKJ \
  | 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: a6aa60a9c4694ce39f9dc65fcec2315250ceb3b2d462251a293fadfbba331cb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e94bfc3c4506f9a2401bde224e233aa62ac54682660bd73583c1635c5e61df46",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1992-05-18T15:53:17Z",
    "title_canon_sha256": "7b2e0b92b83229d9152ca3cf80b640fe5bf46f579eafd07499f17174bf30c288"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9205062",
    "kind": "arxiv",
    "version": 1
  }
}