Pith Number

pith:HPXPZU5T

pith:2019:HPXPZU5TJQOOBGPJZ6VPE3EDOK

not attested not anchored not stored refs pending

John Archibald Wheeler: A Biographical Memoir

Kip S. Thorne

arxiv:1901.06623 v1 · 2019-01-20 · physics.hist-ph · astro-ph.HE · gr-qc · hep-th · nucl-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{HPXPZU5TJQOOBGPJZ6VPE3EDOK}

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	2026-05-17T23:55:49.608899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3beefcd3b34c1ce099e9cfaaf26c83728319b08a0aeaf3f08b2ffc0652fe4cb5

Aliases

arxiv: 1901.06623 · arxiv_version: 1901.06623v1 · doi: 10.48550/arxiv.1901.06623 · pith_short_12: HPXPZU5TJQOO · pith_short_16: HPXPZU5TJQOOBGPJ · pith_short_8: HPXPZU5T

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/HPXPZU5TJQOOBGPJZ6VPE3EDOK \
  | 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: 3beefcd3b34c1ce099e9cfaaf26c83728319b08a0aeaf3f08b2ffc0652fe4cb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a3f57509b583d802d0e5ccae63db41280972b81c5e6cd9f4a3b10b09d31e692",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "gr-qc",
      "hep-th",
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2019-01-20T04:45:49Z",
    "title_canon_sha256": "4fa03f5812aaa90446f301a9a6a4e8881dbe582f005a160018f3cd4ec6bbda67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06623",
    "kind": "arxiv",
    "version": 1
  }
}