Pith Number

pith:7ZWMC2I6

pith:2001:7ZWMC2I6UQFI6ITTISQQ6TW6WF

not attested not anchored not stored refs pending

Space-time quantum solves three experimental paradoxes

Giovanni Amelino-Camelia

arxiv:gr-qc/0107086 v2 · 2001-07-26 · 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{7ZWMC2I6UQFI6ITTISQQ6TW6WF}

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	2026-07-04T16:26:56.196058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe6cc1691ea40a8f227344a10f4edeb140031b39fab05dc2312647b81f0dded2

Aliases

arxiv: gr-qc/0107086 · arxiv_version: gr-qc/0107086v2 · doi: 10.48550/arxiv.gr-qc/0107086 · pith_short_12: 7ZWMC2I6UQFI · pith_short_16: 7ZWMC2I6UQFI6ITT · pith_short_8: 7ZWMC2I6

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/7ZWMC2I6UQFI6ITTISQQ6TW6WF \
  | 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: fe6cc1691ea40a8f227344a10f4edeb140031b39fab05dc2312647b81f0dded2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7922b9c8c8f2011b7bb029de7f99e8e3d968eed5935af4abb9631b8f6d28b2b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-07-26T17:42:26Z",
    "title_canon_sha256": "d133fe0c2fac2a8b6f59c1c045e7b5f64def8b7a785032d8002c8fab90bc5371"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0107086",
    "kind": "arxiv",
    "version": 2
  }
}