Pith Number

pith:OWKKSPLN

pith:2009:OWKKSPLNCGGXB3OE2J7KVNR2WT

not attested not anchored not stored refs pending

Simultaneous reconstruction of phase and amplitude contrast from a single holographic record

Hans-Werner Fink, Tatiana Latychevskaia

arxiv:0904.0536 v1 · 2009-04-03 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OWKKSPLNCGGXB3OE2J7KVNR2WT}

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	2026-05-18T04:38:17.467495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7594a93d6d118d70edc4d27eaab63ab4f201b81c20468226236216736ffe3305

Aliases

arxiv: 0904.0536 · arxiv_version: 0904.0536v1 · doi: 10.48550/arxiv.0904.0536 · pith_short_12: OWKKSPLNCGGX · pith_short_16: OWKKSPLNCGGXB3OE · pith_short_8: OWKKSPLN

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/OWKKSPLNCGGXB3OE2J7KVNR2WT \
  | 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: 7594a93d6d118d70edc4d27eaab63ab4f201b81c20468226236216736ffe3305

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "983095ce1c036fb22725810fba60b4b6438bedf2b16d226c1c6ee924f5faea0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-04-03T09:31:02Z",
    "title_canon_sha256": "af39fa9d12470b5994d336b6191cd2f89f186dfeff5a9d3ca8c039fe308d5ea7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0536",
    "kind": "arxiv",
    "version": 1
  }
}