Pith Number

pith:EJQ52JUN

pith:2006:EJQ52JUNNDNPSR46RQYBRB3O4J

not attested not anchored not stored refs pending

Exploring the diffeomorphism invariant Hilbert space of a scalar field

Hanno Sahlmann

arxiv:gr-qc/0609032 v3 · 2006-09-08 · gr-qc · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EJQ52JUNNDNPSR46RQYBRB3O4J}

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	2026-07-04T15:19:20.418299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2261dd268d68daf9479e8c3018876ee25c2bd98e957cadde79acc68dc3c9f22a

Aliases

arxiv: gr-qc/0609032 · arxiv_version: gr-qc/0609032v3 · doi: 10.48550/arxiv.gr-qc/0609032 · pith_short_12: EJQ52JUNNDNP · pith_short_16: EJQ52JUNNDNPSR46 · pith_short_8: EJQ52JUN

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/EJQ52JUNNDNPSR46RQYBRB3O4J \
  | 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: 2261dd268d68daf9479e8c3018876ee25c2bd98e957cadde79acc68dc3c9f22a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2708d427099e27be21a9d6ec84f665aafa0d46a0dc5c673619ae0b057ebfc5d7",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2006-09-08T10:17:35Z",
    "title_canon_sha256": "e6faaa462de90f9fbaae169753abed3e1eaf3d8f25d6f44679bb99892800740d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0609032",
    "kind": "arxiv",
    "version": 3
  }
}