Pith Number

pith:A33FFYA2

pith:2017:A33FFYA2PD7JLAMYQ7QKSOHFNL

not attested not anchored not stored refs pending

An Epipolar Line from a Single Pixel

Michael Werman, Tavi Halperin

arxiv:1703.09725 v3 · 2017-03-28 · cs.CV

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

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	2026-05-17T23:58:15.021180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06f652e01a78fe95819887e0a938e56aef7afe55f294d1ee55754ddc2e42a8d2

Aliases

arxiv: 1703.09725 · arxiv_version: 1703.09725v3 · doi: 10.48550/arxiv.1703.09725 · pith_short_12: A33FFYA2PD7J · pith_short_16: A33FFYA2PD7JLAMY · pith_short_8: A33FFYA2

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/A33FFYA2PD7JLAMYQ7QKSOHFNL \
  | 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: 06f652e01a78fe95819887e0a938e56aef7afe55f294d1ee55754ddc2e42a8d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53fb735d9beb8647a5b4a2cccaec62d3e9d1eb96ad2fcdba548208a5401f4ccc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-03-28T18:01:05Z",
    "title_canon_sha256": "6b7501429e10b3aa68ca8b7644002ad9e4f5ccbcea8578a5fc203d4f327e600d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09725",
    "kind": "arxiv",
    "version": 3
  }
}