Pith Number

pith:Z3KDNLY7

pith:2019:Z3KDNLY7LALFNP523XCOXJMXKJ

not attested not anchored not stored refs pending

Robust Re-identification of Manta Rays from Natural Markings by Learning Pose Invariant Embeddings

Asia O. Armstrong, Feras Dayoub, Frederic Maire, Mahsa Baktashmotlagh, Olga Moskvyak

arxiv:1902.10847 v1 · 2019-02-28 · 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{Z3KDNLY7LALFNP523XCOXJMXKJ}

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	2026-05-17T23:52:26.554574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ced436af1f581656bfbaddc4eba597524d7e4f7f087191001bf0ceecf914736e

Aliases

arxiv: 1902.10847 · arxiv_version: 1902.10847v1 · doi: 10.48550/arxiv.1902.10847 · pith_short_12: Z3KDNLY7LALF · pith_short_16: Z3KDNLY7LALFNP52 · pith_short_8: Z3KDNLY7

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/Z3KDNLY7LALFNP523XCOXJMXKJ \
  | 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: ced436af1f581656bfbaddc4eba597524d7e4f7f087191001bf0ceecf914736e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc0b977233766ae3fd23770d4632d3e0c49e28d994f7c8c935ea08620ffb6233",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-02-28T00:37:32Z",
    "title_canon_sha256": "9d7790c5ff7049241e0e6b9e28b6768267cc83e192569fc4abf2bbc6bf7f520f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.10847",
    "kind": "arxiv",
    "version": 1
  }
}