Pith Number

pith:2SOPC6ZB

pith:2016:2SOPC6ZBYFZGI6RQRLDSDNUR5W

not attested not anchored not stored refs pending

A note on the architecture of spacetime geometry

Fen Zuo

arxiv:1607.05866 v2 · 2016-07-20 · hep-th · 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{2SOPC6ZBYFZGI6RQRLDSDNUR5W}

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	2026-05-18T00:44:00.665298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d49cf17b21c172647a308ac721b691ed846a515e72f5f77bd663309d9667b728

Aliases

arxiv: 1607.05866 · arxiv_version: 1607.05866v2 · doi: 10.48550/arxiv.1607.05866 · pith_short_12: 2SOPC6ZBYFZG · pith_short_16: 2SOPC6ZBYFZGI6RQ · pith_short_8: 2SOPC6ZB

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/2SOPC6ZBYFZGI6RQRLDSDNUR5W \
  | 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: d49cf17b21c172647a308ac721b691ed846a515e72f5f77bd663309d9667b728

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15bf54c644f4c513be06ce0878711b84c73962a29f8bb85aabd1717ed1e470cd",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2016-07-20T08:57:52Z",
    "title_canon_sha256": "02d6ee92b55584028b61a57b8e5528a0609501632baf1d2ad75611cffcfb35c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.05866",
    "kind": "arxiv",
    "version": 2
  }
}