Pith Number

pith:ITUMFLZ4

pith:1992:ITUMFLZ4GQZ4TN44HZQJKHODWW

not attested not anchored not stored refs pending

Weaving a classical geometry with quantum threads

Abhay Ashtekar, Carlo Rovelli, Lee Smolin

arxiv:hep-th/9203079 v1 · 1992-03-30 · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ITUMFLZ4GQZ4TN44HZQJKHODWW}

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	2026-05-18T04:23:54.974061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44e8c2af3c3433c9b79c3e60951dc3b5af2f6cfe23a4d559526a565b620a30f0

Aliases

arxiv: hep-th/9203079 · arxiv_version: hep-th/9203079v1 · doi: 10.48550/arxiv.hep-th/9203079 · pith_short_12: ITUMFLZ4GQZ4 · pith_short_16: ITUMFLZ4GQZ4TN44 · pith_short_8: ITUMFLZ4

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/ITUMFLZ4GQZ4TN44HZQJKHODWW \
  | 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: 44e8c2af3c3433c9b79c3e60951dc3b5af2f6cfe23a4d559526a565b620a30f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edab3695fafd15d6dd7ede74e01003fb11d916e3a8bbae58f8c474e6bb1fb1b1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1992-03-30T17:01:00Z",
    "title_canon_sha256": "50a63a88dc355b29fd984577f009d83976f1976570767a0cd1e181a28d45c9e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9203079",
    "kind": "arxiv",
    "version": 1
  }
}