Pith Number

pith:ZXHLKFMX

pith:2017:ZXHLKFMXDFBDYALGJEROEFH225

not attested not anchored not stored refs pending

Linear Differential Constraints for Photo-polarimetric Height Estimation

Dizhong Zhu, Edwin R. Hancock, Ravi Ramamoorthi, Silvia Tozza, William A. P. Smith

arxiv:1708.07718 v1 · 2017-08-25 · cs.CV · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZXHLKFMXDFBDYALGJEROEFH225}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:36:42.241491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdceb5159719423c01664922e214fad7783911131bd276fe3477abdcc5edd998

Aliases

arxiv: 1708.07718 · arxiv_version: 1708.07718v1 · doi: 10.48550/arxiv.1708.07718 · pith_short_12: ZXHLKFMXDFBD · pith_short_16: ZXHLKFMXDFBDYALG · pith_short_8: ZXHLKFMX

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/ZXHLKFMXDFBDYALGJEROEFH225 \
  | 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: cdceb5159719423c01664922e214fad7783911131bd276fe3477abdcc5edd998

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30cb312df5215f21d2d188ed0850d76dbfb34b5b9b1d61a94628b134979d87a0",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-08-25T13:01:05Z",
    "title_canon_sha256": "d46c73164c74019b2aa5b8d6f5987ef5f86d7040a0d2c0ad2d33f6379790d006"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07718",
    "kind": "arxiv",
    "version": 1
  }
}