Pith Number

pith:HUOEKNTQ

pith:1999:HUOEKNTQ2ZEULSJRF74ZRKVSHX

not attested not anchored not stored refs pending

String/M-branes for Relativists

Donald Marolf

arxiv:gr-qc/9908045 v2 · 1999-08-16 · gr-qc · 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{HUOEKNTQ2ZEULSJRF74ZRKVSHX}

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	2026-07-04T14:26:23.589046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d1c453670d64945c9312ff998aab23df5facca7a02372d3f197df7ebae94e27

Aliases

arxiv: gr-qc/9908045 · arxiv_version: gr-qc/9908045v2 · doi: 10.48550/arxiv.gr-qc/9908045 · pith_short_12: HUOEKNTQ2ZEU · pith_short_16: HUOEKNTQ2ZEULSJR · pith_short_8: HUOEKNTQ

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/HUOEKNTQ2ZEULSJRF74ZRKVSHX \
  | 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: 3d1c453670d64945c9312ff998aab23df5facca7a02372d3f197df7ebae94e27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce36c8bd6fd5e0ae76cc046ec8c53b765a5ba79414bef44814bd574e5defc006",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1999-08-16T18:17:11Z",
    "title_canon_sha256": "f51986f3288f538d912911e39c8fb0f4374b89f655362545e3654fc4c1ec1e46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9908045",
    "kind": "arxiv",
    "version": 2
  }
}