Pith Number

pith:MJ47ZSTL

pith:2019:MJ47ZSTL7JU3DURYF37V2M5GIB

not attested not anchored not stored refs pending

Quantum fields without Wick rotation

Alessio Baldazzi, Roberto Percacci, Vedran Skrinjar

arxiv:1901.01891 v1 · 2019-01-07 · 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{MJ47ZSTL7JU3DURYF37V2M5GIB}

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	2026-05-17T23:56:49.415896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6279fcca6bfa69b1d2382eff5d33a64065bf6a258523a61e539ff31116d4a36b

Aliases

arxiv: 1901.01891 · arxiv_version: 1901.01891v1 · doi: 10.48550/arxiv.1901.01891 · pith_short_12: MJ47ZSTL7JU3 · pith_short_16: MJ47ZSTL7JU3DURY · pith_short_8: MJ47ZSTL

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/MJ47ZSTL7JU3DURYF37V2M5GIB \
  | 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: 6279fcca6bfa69b1d2382eff5d33a64065bf6a258523a61e539ff31116d4a36b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e54c9bcc0d4c5051ecf6b65c794dee85ddde9614d3f9f47baf7a418462d6fbae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-01-07T16:07:58Z",
    "title_canon_sha256": "8fc65dda602eed9be7d93e9542a33a96ac9ecfd7d3b6c850b0231e2da0856f57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01891",
    "kind": "arxiv",
    "version": 1
  }
}