Pith Number

pith:PVNVVD7S

pith:2016:PVNVVD7SPSG5YXJT3LMQNLJXXS

not attested not anchored not stored refs pending

Nothing works the first time: An expert experimental physics epistemology

Dimitri R. Dounas-Frazer, H. J. Lewandowski

arxiv:1606.05389 v1 · 2016-06-17 · 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{PVNVVD7SPSG5YXJT3LMQNLJXXS}

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	2026-05-18T00:53:08.060955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d5b5a8ff27c8ddc5d33dad906ad37bcbe71fe980b98f3d65468a452251f18d3

Aliases

arxiv: 1606.05389 · arxiv_version: 1606.05389v1 · doi: 10.48550/arxiv.1606.05389 · pith_short_12: PVNVVD7SPSG5 · pith_short_16: PVNVVD7SPSG5YXJT · pith_short_8: PVNVVD7S

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/PVNVVD7SPSG5YXJT3LMQNLJXXS \
  | 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: 7d5b5a8ff27c8ddc5d33dad906ad37bcbe71fe980b98f3d65468a452251f18d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e76ada23fd36f6e783042dfc47d785daf199166a704c710e98ba9b7ae74af303",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2016-06-17T00:29:07Z",
    "title_canon_sha256": "9e61f429bd35e9c40f8d089e0ebfc916838bcdf77432012b47d40c9e28fbb687"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.05389",
    "kind": "arxiv",
    "version": 1
  }
}