Pith Number

pith:UQONUR4N

pith:2010:UQONUR4NPXUS33SO4YY7OPBY4Z

not attested not anchored not stored refs pending

Construction of a Prototype Spark Chamber

Jack Collins

arxiv:1010.4010 v1 · 2010-10-19 · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UQONUR4NPXUS33SO4YY7OPBY4Z}

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	2026-05-18T04:39:07.052979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a41cda478d7de92dee4ee631f73c38e653f77d6d0d95749e6aeb6d963b41d714

Aliases

arxiv: 1010.4010 · arxiv_version: 1010.4010v1 · doi: 10.48550/arxiv.1010.4010 · pith_short_12: UQONUR4NPXUS · pith_short_16: UQONUR4NPXUS33SO · pith_short_8: UQONUR4N

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/UQONUR4NPXUS33SO4YY7OPBY4Z \
  | 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: a41cda478d7de92dee4ee631f73c38e653f77d6d0d95749e6aeb6d963b41d714

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52177e1d4d1649228aa9f53bd6491c618b83e12815afd06bcd23a3a06e0f600e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2010-10-19T19:12:18Z",
    "title_canon_sha256": "b3b504006d1f10d333ae8086d7eb5efab158f4e7352fce3894c5ff625e5501f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.4010",
    "kind": "arxiv",
    "version": 1
  }
}