Pith Number

pith:PUY7PLXM

pith:2017:PUY7PLXMKNGKLJ6CPTFTMUMO5V

not attested not anchored not stored refs pending

Colorimetric Calibration of a Digital Camera

Dalibor Stys, Pavel Soucek, Renata Rychtarikova

arxiv:1708.04685 v1 · 2017-08-14 · cs.CV · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PUY7PLXMKNGKLJ6CPTFTMUMO5V}

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	2026-05-18T00:37:58.197633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d31f7aeec534ca5a7c27ccb36518eed779d9941a7b8de816adb398fbd679c36

Aliases

arxiv: 1708.04685 · arxiv_version: 1708.04685v1 · doi: 10.48550/arxiv.1708.04685 · pith_short_12: PUY7PLXMKNGK · pith_short_16: PUY7PLXMKNGKLJ6C · pith_short_8: PUY7PLXM

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/PUY7PLXMKNGKLJ6CPTFTMUMO5V \
  | 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: 7d31f7aeec534ca5a7c27ccb36518eed779d9941a7b8de816adb398fbd679c36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69a4d8250b3ea57e32c775c5cba202b49c06bcdca07fcd206909755b984b13fb",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-08-14T09:04:05Z",
    "title_canon_sha256": "5feb47571d7cc6dadd3c7052b941487b7bd612cc75b61c2cf4494120ad77cabc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.04685",
    "kind": "arxiv",
    "version": 1
  }
}