Pith Number

pith:WQWPDHH3

pith:2008:WQWPDHH3WXJSTFIPVTBHFKURCL

not attested not anchored not stored refs pending

Particle propagators on discrete spacetime

Steven Johnston

arxiv:0806.3083 v2 · 2008-06-19 · hep-th · 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{WQWPDHH3WXJSTFIPVTBHFKURCL}

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	2026-07-04T15:30:17.225661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b42cf19cfbb5d329950facc272aa9112c8dc0d47c19b167790670e4996f0b86e

Aliases

arxiv: 0806.3083 · arxiv_version: 0806.3083v2 · doi: 10.48550/arxiv.0806.3083 · pith_short_12: WQWPDHH3WXJS · pith_short_16: WQWPDHH3WXJSTFIP · pith_short_8: WQWPDHH3

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/WQWPDHH3WXJSTFIPVTBHFKURCL \
  | 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: b42cf19cfbb5d329950facc272aa9112c8dc0d47c19b167790670e4996f0b86e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3092fec79b8f2754ce8bbdde6d8fe4f7ec27799cd9b73804acf3fb7fc25f489e",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2008-06-19T17:50:54Z",
    "title_canon_sha256": "37cc9678ec7052f5e415b99608eff9289789a1537c557f23ba081da64e976613"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.3083",
    "kind": "arxiv",
    "version": 2
  }
}