Pith Number

pith:TJNGAT77

pith:2015:TJNGAT77ZVIJJ7NKLLEESIA6JW

not attested not anchored not stored refs pending

Natural units and the vector space of physical values

Gerrit Ansmann

arxiv:1504.02332 v1 · 2015-03-09 · physics.data-an · physics.ed-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{TJNGAT77ZVIJJ7NKLLEESIA6JW}

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	2026-05-18T02:19:00.063203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a5a604fffcd5094fdaa5ac849201e4da82c8f9d5830791f5efc1732b24e4cea

Aliases

arxiv: 1504.02332 · arxiv_version: 1504.02332v1 · doi: 10.48550/arxiv.1504.02332 · pith_short_12: TJNGAT77ZVIJ · pith_short_16: TJNGAT77ZVIJJ7NK · pith_short_8: TJNGAT77

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/TJNGAT77ZVIJJ7NKLLEESIA6JW \
  | 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: 9a5a604fffcd5094fdaa5ac849201e4da82c8f9d5830791f5efc1732b24e4cea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd2a9cdeaa59dbf087106f1de16b2e80bf1a0a811db4a7afc8649c7ad48d9653",
    "cross_cats_sorted": [
      "physics.ed-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2015-03-09T22:15:25Z",
    "title_canon_sha256": "9d21734f184356c5760ba73e7321b333c73d786c7cb3db8391cdae4d38f925de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02332",
    "kind": "arxiv",
    "version": 1
  }
}