Pith Number

pith:ZL5CMPFM

pith:2019:ZL5CMPFMXYWSBXMY5RPZZJPO4B

not attested not anchored not stored refs pending

Classical geodesics from the canonical quantisation of spacetime coordinates

I\~naki Garay, Salvador Robles-P\'erez

arxiv:1901.05171 v1 · 2019-01-16 · 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{ZL5CMPFMXYWSBXMY5RPZZJPO4B}

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	2026-05-17T23:56:11.653986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cafa263cacbe2d20dd98ec5f9ca5eee04c2b77dfa057f5c8e9c95992c919fcd4

Aliases

arxiv: 1901.05171 · arxiv_version: 1901.05171v1 · doi: 10.48550/arxiv.1901.05171 · pith_short_12: ZL5CMPFMXYWS · pith_short_16: ZL5CMPFMXYWSBXMY · pith_short_8: ZL5CMPFM

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/ZL5CMPFMXYWSBXMY5RPZZJPO4B \
  | 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: cafa263cacbe2d20dd98ec5f9ca5eee04c2b77dfa057f5c8e9c95992c919fcd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98f67d5557ed318f9616c130f711d89492375f8d1195cb92bfb19a102519a625",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-01-16T08:18:32Z",
    "title_canon_sha256": "9107e8c99a3d82f4e13e29c42372052922e7f7b67a8b23df9c443220daf0026b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05171",
    "kind": "arxiv",
    "version": 1
  }
}