pith. sign in
Pith Number

pith:OWGTZPZE

pith:2013:OWGTZPZECX226AU57RB4RKPTRN
not attested not anchored not stored refs pending

Anomalous Observers in the Subjectively Identical Reference Class

Ken D. Olum, Mike D. Schneider

arxiv:1304.2625 v1 · 2013-04-09 · physics.hist-ph · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OWGTZPZECX226AU57RB4RKPTRN}

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 2026-05-18T03:28:31.227291Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

758d3cbf2415f5af029dfc43c8a9f38b4fb51e24ba230e9099fb58c1be1dbf68

Aliases

arxiv: 1304.2625 · arxiv_version: 1304.2625v1 · doi: 10.48550/arxiv.1304.2625 · pith_short_12: OWGTZPZECX22 · pith_short_16: OWGTZPZECX226AU5 · pith_short_8: OWGTZPZE
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OWGTZPZECX226AU57RB4RKPTRN \
  | 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: 758d3cbf2415f5af029dfc43c8a9f38b4fb51e24ba230e9099fb58c1be1dbf68
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0b48117933470e3cb22d3f32cb70ce84ecfc66bd0d451b9899904cfca2a675ef",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2013-04-09T15:04:55Z",
    "title_canon_sha256": "bf11e41cd6956a6474a7d9370049a3f28e3998e6eb9f2e43aa719153821168bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2625",
    "kind": "arxiv",
    "version": 1
  }
}