Pith Number

pith:Z4E65MGO

pith:2020:Z4E65MGOAE35CD557FHPR36NDL

not attested not anchored not stored refs pending

Copyspace: Where to Write on Images?

Alan Ross, Brian Lonsdorf, David Woodward, Jessica M. Lundin, Michael Sollami, Owen Schoppe, S\"onke Rohde

arxiv:2012.08933 v1 · 2020-12-04 · 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{Z4E65MGOAE35CD557FHPR36NDL}

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	2026-07-05T02:00:04.967476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf09eeb0ce0137d10fbdf94ef8efcd1acbc16b7cdf9ea8f72d746bc18795b23c

Aliases

arxiv: 2012.08933 · arxiv_version: 2012.08933v1 · doi: 10.48550/arxiv.2012.08933 · pith_short_12: Z4E65MGOAE35 · pith_short_16: Z4E65MGOAE35CD55 · pith_short_8: Z4E65MGO

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/Z4E65MGOAE35CD557FHPR36NDL \
  | 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: cf09eeb0ce0137d10fbdf94ef8efcd1acbc16b7cdf9ea8f72d746bc18795b23c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d951faf62e8f3d56a3f6c47c200554cdc312fce244d6273bdd6ddf4f6a47e22",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-12-04T01:58:39Z",
    "title_canon_sha256": "24e79ee859969b2dccd15f32855cbc97b347d608b73312a5fc8e9250e1a74868"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.08933",
    "kind": "arxiv",
    "version": 1
  }
}