Pith Number

pith:QORXKP2J

pith:1996:QORXKP2JBRBNN4MFWO7LSTUKEN

not attested not anchored not stored refs pending

On Local Observations in Quantum Gravity

G. Amelino-Camelia

arxiv:gr-qc/9603013 v1 · 1996-03-11 · 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{QORXKP2JBRBNN4MFWO7LSTUKEN}

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	2026-05-18T01:39:19.455613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83a3753f490c42d6f185b3beb94e8a236ed5164bb4000ac96a86903ee61c0bd0

Aliases

arxiv: gr-qc/9603013 · arxiv_version: gr-qc/9603013v1 · doi: 10.48550/arxiv.gr-qc/9603013 · pith_short_12: QORXKP2JBRBN · pith_short_16: QORXKP2JBRBNN4MF · pith_short_8: QORXKP2J

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/QORXKP2JBRBNN4MFWO7LSTUKEN \
  | 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: 83a3753f490c42d6f185b3beb94e8a236ed5164bb4000ac96a86903ee61c0bd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd40a541f83833b2594f72152481b3306695ca3638c9dd176ea152dbe97ac103",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1996-03-11T12:52:18Z",
    "title_canon_sha256": "c352df521f35a09e71b7472b16c6e32e49c9c878eb067a5b9e8ee2fd6c9f9d70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9603013",
    "kind": "arxiv",
    "version": 1
  }
}