Pith Number

pith:TDPMYFK2

pith:2017:TDPMYFK24J2SJ7ENC3NFCTB342

not attested not anchored not stored refs pending

Contrast Enhancement Estimation for Digital Image Forensics

Honggang Qi, Longyin Wen, Siwei Lyu

arxiv:1706.03875 v1 · 2017-06-13 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TDPMYFK24J2SJ7ENC3NFCTB342}

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	2026-05-18T00:42:28.132290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98decc155ae27524fc8d16da514c3be683b6d5d09b71451b83fa576458eb5bfa

Aliases

arxiv: 1706.03875 · arxiv_version: 1706.03875v1 · doi: 10.48550/arxiv.1706.03875 · pith_short_12: TDPMYFK24J2S · pith_short_16: TDPMYFK24J2SJ7EN · pith_short_8: TDPMYFK2

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/TDPMYFK24J2SJ7ENC3NFCTB342 \
  | 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: 98decc155ae27524fc8d16da514c3be683b6d5d09b71451b83fa576458eb5bfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "829029e340f2ca73fb2a95d628f2c2f5153970d103bcc109933a263046d74170",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-06-13T00:13:53Z",
    "title_canon_sha256": "7b3814fc8a0cc3b5583cfca46351f0d64bd0af45b6e16528a0537bee39c89c44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.03875",
    "kind": "arxiv",
    "version": 1
  }
}