Pith Number

pith:6TMFTOKO

pith:2006:6TMFTOKO7NTQIXEFRSOQKOOAJ4

not attested not anchored not stored refs pending

The adventures of Spacetime

Orfeu Bertolami

arxiv:gr-qc/0607006 v2 · 2006-07-03 · gr-qc · astro-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6TMFTOKO7NTQIXEFRSOQKOOAJ4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:39:20.057899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4d859b94efb67045c858c9d0539c04f062783ce787315ab050a356e692278f3

Aliases

arxiv: gr-qc/0607006 · arxiv_version: gr-qc/0607006v2 · doi: 10.48550/arxiv.gr-qc/0607006 · pith_short_12: 6TMFTOKO7NTQ · pith_short_16: 6TMFTOKO7NTQIXEF · pith_short_8: 6TMFTOKO

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/6TMFTOKO7NTQIXEFRSOQKOOAJ4 \
  | 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: f4d859b94efb67045c858c9d0539c04f062783ce787315ab050a356e692278f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a13595b88c039d3daa8d20b150b00ded4c2bf48023ef8475ee9b11ec927d170",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2006-07-03T11:31:39Z",
    "title_canon_sha256": "adc5b712a2b615d1337923978ff2f5349ccecce5650fa647ea1aeb9b24d87268"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0607006",
    "kind": "arxiv",
    "version": 2
  }
}