Pith Number

pith:F7D7BSRV

pith:2025:F7D7BSRV65XWEI5MFASBLXSBPY

not attested not anchored not stored refs pending

Zero mass as a Borel structure

Rein Saar, Stefan Groote

arxiv:2506.12079 v2 · 2025-06-07 · physics.gen-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F7D7BSRV65XWEI5MFASBLXSBPY}

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	2026-07-05T12:05:17.644149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fc7f0ca35f76f6223ac282415de417e144347bb483246b976cdbe2c7fd5b45b

Aliases

arxiv: 2506.12079 · arxiv_version: 2506.12079v2 · doi: 10.48550/arxiv.2506.12079 · pith_short_12: F7D7BSRV65XW · pith_short_16: F7D7BSRV65XWEI5M · pith_short_8: F7D7BSRV

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/F7D7BSRV65XWEI5MFASBLXSBPY \
  | 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: 2fc7f0ca35f76f6223ac282415de417e144347bb483246b976cdbe2c7fd5b45b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c71c01848d6faac94fc915ffceda0f0204b3205e71c674ca1a6c8100084b905",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2025-06-07T17:04:21Z",
    "title_canon_sha256": "b8319a33ce52954aa769a8ff2df1b1ed148757d8d5b142d591c4918b8757e89d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.12079",
    "kind": "arxiv",
    "version": 2
  }
}