Pith Number

pith:TE4SRI56

pith:1999:TE4SRI56DIDFOV6WQPG6VYRWEK

not attested not anchored not stored refs pending

Charge and the topology of spacetime

Mark J Hadley, Tammo Diemer

arxiv:gr-qc/9905069 v2 · 1999-05-19 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TE4SRI56DIDFOV6WQPG6VYRWEK}

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	2026-07-04T16:13:51.246293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

993928a3be1a065757d683cdeae23622b97b48e1dee522798416b2feedeac580

Aliases

arxiv: gr-qc/9905069 · arxiv_version: gr-qc/9905069v2 · doi: 10.48550/arxiv.gr-qc/9905069 · pith_short_12: TE4SRI56DIDF · pith_short_16: TE4SRI56DIDFOV6W · pith_short_8: TE4SRI56

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/TE4SRI56DIDFOV6WQPG6VYRWEK \
  | 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: 993928a3be1a065757d683cdeae23622b97b48e1dee522798416b2feedeac580

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db731d8c69f8b924ade73f054ddfabf2e56e02dfb8b22ff87286329f56148571",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1999-05-19T09:18:58Z",
    "title_canon_sha256": "0f7313719fa8982215e579967b6749ff2938e5afa3f9690167d92bb545c0af15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9905069",
    "kind": "arxiv",
    "version": 2
  }
}