Pith Number

pith:EM3RGHKD

pith:2014:EM3RGHKDMSWJS2M2XPK6YFPOL5

not attested not anchored not stored refs pending

An empirical-parametric gamma calibration algorithm

Jani Isohanni, Robert Piche

arxiv:1412.3220 v1 · 2014-12-10 · physics.optics · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EM3RGHKDMSWJS2M2XPK6YFPOL5}

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	2026-05-18T02:31:37.219730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2337131d4364ac99699abbd5ec15ee5f76da4182757442fc1e092e07b8cad568

Aliases

arxiv: 1412.3220 · arxiv_version: 1412.3220v1 · doi: 10.48550/arxiv.1412.3220 · pith_short_12: EM3RGHKDMSWJ · pith_short_16: EM3RGHKDMSWJS2M2 · pith_short_8: EM3RGHKD

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/EM3RGHKDMSWJS2M2XPK6YFPOL5 \
  | 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: 2337131d4364ac99699abbd5ec15ee5f76da4182757442fc1e092e07b8cad568

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cadf00960efe63694a8395861c4135d0af4957074352ea9047ebbf798560d3ed",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-12-10T07:47:51Z",
    "title_canon_sha256": "0f1c020ed378de7c9a4a348aa89fc34e4f18bdf38085f5339684b5560d7a1228"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.3220",
    "kind": "arxiv",
    "version": 1
  }
}