Pith Number

pith:OP6CF3B5

pith:2013:OP6CF3B5H7YZR3OL3VQQEWWQCE

not attested not anchored not stored refs pending

How substance-based ontologies for gravity can be productive: A case study

Andrew Elby, Ayush Gupta, Luke D. Conlin

arxiv:1305.1225 v1 · 2013-05-06 · physics.ed-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{OP6CF3B5H7YZR3OL3VQQEWWQCE}

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	2026-05-18T02:32:06.332492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73fc22ec3d3ff198edcbdd61025ad0111a06e7a93560e5e13efa124c34385669

Aliases

arxiv: 1305.1225 · arxiv_version: 1305.1225v1 · doi: 10.48550/arxiv.1305.1225 · pith_short_12: OP6CF3B5H7YZ · pith_short_16: OP6CF3B5H7YZR3OL · pith_short_8: OP6CF3B5

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/OP6CF3B5H7YZR3OL3VQQEWWQCE \
  | 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: 73fc22ec3d3ff198edcbdd61025ad0111a06e7a93560e5e13efa124c34385669

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f7a011db8b69fde2f5a7c90424ab584dce072dd4f807749c7d37edc032df448",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2013-05-06T15:39:50Z",
    "title_canon_sha256": "a748f0b3c1b07288bc78e3dce7e3db61c4e054297b5a56895cd8fc5faf323011"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1225",
    "kind": "arxiv",
    "version": 1
  }
}