Pith Number

pith:6LFG2R3K

pith:2014:6LFG2R3KVM7YMGBPATION7ABMQ

not attested not anchored not stored refs pending

A Cryogenic Infrared Calibration Target

Edward J. Wollack, Robin E. Kinzer Jr., Stephan A. Rinehart

arxiv:1403.6667 v1 · 2014-03-26 · physics.ins-det · astro-ph.IM · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6LFG2R3KVM7YMGBPATION7ABMQ}

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	2026-05-18T02:53:53.031122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2ca6d476aab3f86182f04d0e6fc0164346dbad4e52da8f0e45df420613107f6

Aliases

arxiv: 1403.6667 · arxiv_version: 1403.6667v1 · doi: 10.48550/arxiv.1403.6667 · pith_short_12: 6LFG2R3KVM7Y · pith_short_16: 6LFG2R3KVM7YMGBP · pith_short_8: 6LFG2R3K

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/6LFG2R3KVM7YMGBPATION7ABMQ \
  | 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: f2ca6d476aab3f86182f04d0e6fc0164346dbad4e52da8f0e45df420613107f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0db3cae3b824c098547817a94c7289cf34b7304219cb63c74e87b3e5620612ea",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2014-03-26T13:45:25Z",
    "title_canon_sha256": "0318c9de6cbb7c3f552ad8f21c87776b38490c92eb169c088170cfab5e290e63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.6667",
    "kind": "arxiv",
    "version": 1
  }
}