Pith Number

pith:W7BGK2C7

pith:2011:W7BGK2C7ZZNGGZGIPVDMQCIWF4

not attested not anchored not stored refs pending

An LED pulser for measuring photomultiplier linearity

B. Quinn, G. B. Franklin, M. Friend

arxiv:1108.3096 v2 · 2011-08-15 · 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{W7BGK2C7ZZNGGZGIPVDMQCIWF4}

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	2026-05-18T02:00:53.627193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7c265685fce5a6364c87d46c809162f053ef9cea0a12151b77b5287da04f70f

Aliases

arxiv: 1108.3096 · arxiv_version: 1108.3096v2 · doi: 10.48550/arxiv.1108.3096 · pith_short_12: W7BGK2C7ZZNG · pith_short_16: W7BGK2C7ZZNGGZGI · pith_short_8: W7BGK2C7

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/W7BGK2C7ZZNGGZGIPVDMQCIWF4 \
  | 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: b7c265685fce5a6364c87d46c809162f053ef9cea0a12151b77b5287da04f70f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9814115ed56b6f91d46eef70fed628ce637491366fb116687cf428969207dcb8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2011-08-15T21:00:17Z",
    "title_canon_sha256": "acfea1a67dc87d2e8e88e7cf95fa2d8bc659fd3e25c5de7b0fb54f8a65f1bd11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3096",
    "kind": "arxiv",
    "version": 2
  }
}