Pith Number

pith:OAFH27PY

pith:2015:OAFH27PY2C4M2IXELBBILIRLBE

not attested not anchored not stored refs pending

Quantity of Matter or Intrinsic Property: Why Mass Cannot Be Both

Mario Hubert

arxiv:1512.03295 v1 · 2015-12-10 · physics.hist-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{OAFH27PY2C4M2IXELBBILIRLBE}

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	2026-05-18T01:24:37.466369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

700a7d7df8d0b8cd22e4584285a22b090544661368468ce65290dd2e6945b5d3

Aliases

arxiv: 1512.03295 · arxiv_version: 1512.03295v1 · doi: 10.48550/arxiv.1512.03295 · pith_short_12: OAFH27PY2C4M · pith_short_16: OAFH27PY2C4M2IXE · pith_short_8: OAFH27PY

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/OAFH27PY2C4M2IXELBBILIRLBE \
  | 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: 700a7d7df8d0b8cd22e4584285a22b090544661368468ce65290dd2e6945b5d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f488a6cf180c6b79c9d2d41d813f222a24f5d1f21ad6ff3b5629af4459032031",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2015-12-10T16:02:06Z",
    "title_canon_sha256": "80626ffea04448b055797194792d42d678f54498320161f408ac71b5fa52cb24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.03295",
    "kind": "arxiv",
    "version": 1
  }
}