Pith Number

pith:FGZRK7PQ

pith:2017:FGZRK7PQVZU5JQYDREKOSC3UQL

not attested not anchored not stored refs pending

Can you tell a face from a HEVC bitstream?

Hyomin Choi, Ivan V. Bajic, Saeed Ranjbar Alvar

arxiv:1709.02993 v1 · 2017-09-09 · 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{FGZRK7PQVZU5JQYDREKOSC3UQL}

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	2026-05-18T00:35:39.774564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29b3157df0ae69d4c3038914e90b7482df07a0f1eb5fd98b86034cf3e2031d8c

Aliases

arxiv: 1709.02993 · arxiv_version: 1709.02993v1 · doi: 10.48550/arxiv.1709.02993 · pith_short_12: FGZRK7PQVZU5 · pith_short_16: FGZRK7PQVZU5JQYD · pith_short_8: FGZRK7PQ

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/FGZRK7PQVZU5JQYDREKOSC3UQL \
  | 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: 29b3157df0ae69d4c3038914e90b7482df07a0f1eb5fd98b86034cf3e2031d8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5597f564c47dcef7fb338d607b519462d5227339cb7988ef805a56a21f59a617",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-09-09T18:43:52Z",
    "title_canon_sha256": "58184d6ab0993219436f1b6516cab40aa2a6dafa0ac5a80317320fd267d49aea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02993",
    "kind": "arxiv",
    "version": 1
  }
}