Pith Number

pith:RP255UJW

pith:2008:RP255UJWVADHYGAHNOAO3DY5RU

not attested not anchored not stored refs pending

Velocity dominated singularities in the cheese slice universe

Charles C. Dyer, Dan Giang

arxiv:0810.1680 v1 · 2008-10-09 · 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{RP255UJWVADHYGAHNOAO3DY5RU}

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	2026-07-04T15:39:57.546522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bf5ded136a8067c18076b80ed8f1d8d32b0de7373d81b6f4fb97be9b4a41b8f

Aliases

arxiv: 0810.1680 · arxiv_version: 0810.1680v1 · doi: 10.48550/arxiv.0810.1680 · pith_short_12: RP255UJWVADH · pith_short_16: RP255UJWVADHYGAH · pith_short_8: RP255UJW

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/RP255UJWVADHYGAHNOAO3DY5RU \
  | 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: 8bf5ded136a8067c18076b80ed8f1d8d32b0de7373d81b6f4fb97be9b4a41b8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5dc7a2a87fc0ccb77313fb53997811a45d3d3f4c094660ed8b8091d5c89ba4f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-10-09T15:55:04Z",
    "title_canon_sha256": "1c0da652953de00e3d01125321fc652fe5b2eef3567f30d95d0064cad0adb715"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.1680",
    "kind": "arxiv",
    "version": 1
  }
}