Pith Number

pith:PERJF47G

pith:1994:PERJF47G65EDQBA3GA72VEDKOK

not attested not anchored not stored refs pending

Equivalent Sets of Histories and Multiple Quasiclassical Realms

James B. Hartle (Santa Fe Institute, Los Alamos, Murray Gell-Mann, University of New Mexico)

arxiv:gr-qc/9404013 v3 · 1994-04-08 · gr-qc · 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{PERJF47G65EDQBA3GA72VEDKOK}

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.

Cited by

1 paper in Pith

Wavefunction branches demand a definition!

Receipt and verification

First computed	2026-07-04T15:07:25.263558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

792292f3e6f74838041b303faa906a72b7de05645a83686828d87a883ab27e26

Aliases

arxiv: gr-qc/9404013 · arxiv_version: gr-qc/9404013v3 · doi: 10.48550/arxiv.gr-qc/9404013 · pith_short_12: PERJF47G65ED · pith_short_16: PERJF47G65EDQBA3 · pith_short_8: PERJF47G

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/PERJF47G65EDQBA3GA72VEDKOK \
  | 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: 792292f3e6f74838041b303faa906a72b7de05645a83686828d87a883ab27e26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d36f29837e1928dcb237ea54948dc35f87b5dbf0bc6cd6f0a143d4e848c53f81",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1994-04-08T14:33:00Z",
    "title_canon_sha256": "91c4108f48e682d2caf3056ac981b35bdb648bc0051f03c7b84e71bee689dada"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9404013",
    "kind": "arxiv",
    "version": 3
  }
}