Pith Number

pith:J4HC4GAI

pith:2021:J4HC4GAIC6SZYXWIAFEUDGB6SG

not attested not anchored not stored refs pending

Asking questions on handwritten document collections

CV Jawahar, Dimosthenis Karatzas, Lluis Gomez, Minesh Mathew

arxiv:2110.00711 v1 · 2021-10-02 · 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{J4HC4GAIC6SZYXWIAFEUDGB6SG}

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	2026-07-05T03:19:47.651906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f0e2e180817a59c5ec8014941983e9185c850a55adc2c07e9fc4f950e474043

Aliases

arxiv: 2110.00711 · arxiv_version: 2110.00711v1 · doi: 10.48550/arxiv.2110.00711 · pith_short_12: J4HC4GAIC6SZ · pith_short_16: J4HC4GAIC6SZYXWI · pith_short_8: J4HC4GAI

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/J4HC4GAIC6SZYXWIAFEUDGB6SG \
  | 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: 4f0e2e180817a59c5ec8014941983e9185c850a55adc2c07e9fc4f950e474043

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34c13e58f862e9e372e59e4cc2754f05ccc94b4756099a7ec8e6298c8c95e4ef",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-10-02T02:40:40Z",
    "title_canon_sha256": "fdc486e4709734a8154d55e2f69fde8c7090b8586f624a610ea6aba19de11734"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.00711",
    "kind": "arxiv",
    "version": 1
  }
}