Pith Number

pith:DCME4Z2K

pith:2017:DCME4Z2KAORBSSK3ABE7MCXPFD

not attested not anchored not stored refs pending

Classical Spacetime Structure

James Owen Weatherall

arxiv:1707.05887 v1 · 2017-07-18 · physics.hist-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DCME4Z2KAORBSSK3ABE7MCXPFD}

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	2026-05-18T00:39:59.023753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18984e674a03a219495b0049f60aef28dab6850ea7306657167e23b1e0aa984f

Aliases

arxiv: 1707.05887 · arxiv_version: 1707.05887v1 · doi: 10.48550/arxiv.1707.05887 · pith_short_12: DCME4Z2KAORB · pith_short_16: DCME4Z2KAORBSSK3 · pith_short_8: DCME4Z2K

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/DCME4Z2KAORBSSK3ABE7MCXPFD \
  | 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: 18984e674a03a219495b0049f60aef28dab6850ea7306657167e23b1e0aa984f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2e2d5d8a2aa7e52d0098b6fcdb3a2d65f53ad406494ef44081e099fe4a036e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2017-07-18T22:45:29Z",
    "title_canon_sha256": "9e7155f3b76a486225fbfcb9f487b41da03777273776c9e4d422192e2a4a64df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.05887",
    "kind": "arxiv",
    "version": 1
  }
}