Pith Number

pith:7N22C6DN

pith:2011:7N22C6DN3RRE7IAUQGO3XS3Q4T

not attested not anchored not stored refs pending

Philosophical problems of space-time theories

Gustavo E. Romero

arxiv:1105.4376 v2 · 2011-05-22 · physics.hist-ph · astro-ph.CO · 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{7N22C6DN3RRE7IAUQGO3XS3Q4T}

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	2026-05-18T02:21:50.213732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb75a1786ddc624fa014819dbbcb70e4c385de354ae66bdf3bac49fb1ad7c6f8

Aliases

arxiv: 1105.4376 · arxiv_version: 1105.4376v2 · doi: 10.48550/arxiv.1105.4376 · pith_short_12: 7N22C6DN3RRE · pith_short_16: 7N22C6DN3RRE7IAU · pith_short_8: 7N22C6DN

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/7N22C6DN3RRE7IAUQGO3XS3Q4T \
  | 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: fb75a1786ddc624fa014819dbbcb70e4c385de354ae66bdf3bac49fb1ad7c6f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6a074fd769eb1da8a8add2700e2c9f1c3d84ab03ca80222e02dffe530a99be3",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2011-05-22T21:58:51Z",
    "title_canon_sha256": "9b6ee243647cda08205f3919894b0602f28aaa6beb110a10f54b7011a44cf127"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4376",
    "kind": "arxiv",
    "version": 2
  }
}