Pith Number

pith:5M4LX7IO

pith:2019:5M4LX7IOPM7DEREZTV6FJ7SXQP

not attested not anchored not stored refs pending

Natural Vocabulary Emerges from Free-Form Annotations

Jordi Pont-Tuset, Michael Gygli, Vittorio Ferrari

arxiv:1906.01542 v1 · 2019-06-04 · 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{5M4LX7IOPM7DEREZTV6FJ7SXQP}

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	2026-05-17T23:44:16.189137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb38bbfd0e7b3e3244999d7c54fe5783e2b2c56d7c37d4257dda3214b34004ad

Aliases

arxiv: 1906.01542 · arxiv_version: 1906.01542v1 · doi: 10.48550/arxiv.1906.01542 · pith_short_12: 5M4LX7IOPM7D · pith_short_16: 5M4LX7IOPM7DEREZ · pith_short_8: 5M4LX7IO

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/5M4LX7IOPM7DEREZTV6FJ7SXQP \
  | 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: eb38bbfd0e7b3e3244999d7c54fe5783e2b2c56d7c37d4257dda3214b34004ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "890a7e28547daafeaadfe0b4426a03149fb8724a48c82039342f59b3eda76bd5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-06-04T15:57:46Z",
    "title_canon_sha256": "3a71c9db467621506bf14ac0a5209995326f6df5b4aa9da9eaefffc37942a823"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.01542",
    "kind": "arxiv",
    "version": 1
  }
}