Pith Number

pith:HNXLTFBT

pith:2015:HNXLTFBTPU7ST7OYAHVKOE5HGG

not attested not anchored not stored refs pending

On the ontology of spacetime

Gustavo E. Romero

arxiv:1509.08981 v1 · 2015-09-30 · physics.hist-ph · 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{HNXLTFBTPU7ST7OYAHVKOE5HGG}

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	2026-05-18T01:31:29.349530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b6eb994337d3f29fdd801eaa713a7319c9b095441d008e9a7682c85f6971982

Aliases

arxiv: 1509.08981 · arxiv_version: 1509.08981v1 · doi: 10.48550/arxiv.1509.08981 · pith_short_12: HNXLTFBTPU7S · pith_short_16: HNXLTFBTPU7ST7OY · pith_short_8: HNXLTFBT

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/HNXLTFBTPU7ST7OYAHVKOE5HGG \
  | 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: 3b6eb994337d3f29fdd801eaa713a7319c9b095441d008e9a7682c85f6971982

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2c420f71591b9bc2f578a12831e27e899d2b7322b95370975acc05cf2d472c3",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2015-09-30T00:29:23Z",
    "title_canon_sha256": "8762b16484d248ba7f6c1668d05816848e79c2fcad46aebedea2e4c057045c78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08981",
    "kind": "arxiv",
    "version": 1
  }
}