Pith Number

pith:ZYFEVTCV

pith:2011:ZYFEVTCV3R2UM53AWHDNVPKGE2

not attested not anchored not stored refs pending

Companding technique for high dynamic range measurements using gafchromic films

Frank Van den Heuvel, Gilles Defraene, Wouter Crijns

arxiv:1107.4083 v1 · 2011-07-20 · physics.med-ph · 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{ZYFEVTCV3R2UM53AWHDNVPKGE2}

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	2026-05-18T03:52:53.377429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce0a4acc55dc75467760b1c6dabd462697b5a40fac0d675383bf33d78b7d393b

Aliases

arxiv: 1107.4083 · arxiv_version: 1107.4083v1 · doi: 10.48550/arxiv.1107.4083 · pith_short_12: ZYFEVTCV3R2U · pith_short_16: ZYFEVTCV3R2UM53A · pith_short_8: ZYFEVTCV

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/ZYFEVTCV3R2UM53AWHDNVPKGE2 \
  | 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: ce0a4acc55dc75467760b1c6dabd462697b5a40fac0d675383bf33d78b7d393b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5148b8bf7a3a643f1a530ecd53a21098348846494cd8e8b3095de36e1a1229d0",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2011-07-20T19:43:42Z",
    "title_canon_sha256": "957f15dfa9dfcab0bfc06dec58b03a8d19410a597ce4b1921e01d731a36c5820"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4083",
    "kind": "arxiv",
    "version": 1
  }
}