Pith Number

pith:NYTWIXZ2

pith:2006:NYTWIXZ25LXGTCLQXCVXCHZX4X

not attested not anchored not stored refs pending

Semiclassical states for quantum cosmology

Oliver Winkler, Viqar Husain

arxiv:gr-qc/0607097 v1 · 2006-07-23 · 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{NYTWIXZ25LXGTCLQXCVXCHZX4X}

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	2026-07-04T15:17:01.263995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e27645f3aeaee698970b8ab711f37e5df7b7d942678a1e28fc1d625541b2f98

Aliases

arxiv: gr-qc/0607097 · arxiv_version: gr-qc/0607097v1 · doi: 10.48550/arxiv.gr-qc/0607097 · pith_short_12: NYTWIXZ25LXG · pith_short_16: NYTWIXZ25LXGTCLQ · pith_short_8: NYTWIXZ2

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/NYTWIXZ25LXGTCLQXCVXCHZX4X \
  | 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: 6e27645f3aeaee698970b8ab711f37e5df7b7d942678a1e28fc1d625541b2f98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61edf1e4d0acd4411bd7b4628e797d44ce07d119a9154714ffbab07190561b82",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2006-07-23T00:49:44Z",
    "title_canon_sha256": "5de53bb0d14b354d53e3f8aa7dc1b37481169694e59c2e191c0455ac61724af8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0607097",
    "kind": "arxiv",
    "version": 1
  }
}