Pith Number

pith:BDW63VRY

pith:2022:BDW63VRYI57Y7SZURYJ3GFHFPY

not attested not anchored not stored refs pending

Unsilencing Colonial Archives via Automated Entity Recognition

Charles Jeurgens, Giovanni Colavizza, Konstantin Todorov, Mrinalini Luthra

arxiv:2210.02194 v1 · 2022-10-03 · cs.DL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BDW63VRYI57Y7SZURYJ3GFHFPY}

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	2026-07-05T05:03:44.468047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08ededd638477f8fcb348e13b314e57e1e00bd90bba542fbdd0122ab9f65ca7d

Aliases

arxiv: 2210.02194 · arxiv_version: 2210.02194v1 · doi: 10.48550/arxiv.2210.02194 · pith_short_12: BDW63VRYI57Y · pith_short_16: BDW63VRYI57Y7SZU · pith_short_8: BDW63VRY

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/BDW63VRYI57Y7SZURYJ3GFHFPY \
  | 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: 08ededd638477f8fcb348e13b314e57e1e00bd90bba542fbdd0122ab9f65ca7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d97122ecb0beecd7e89eaf03d43e1c350fc29bc60c4267ffdd31cf7c40cdc50",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2022-10-03T20:43:07Z",
    "title_canon_sha256": "fe10fa470ffae84991ffd47dfef7a50ddf22b83ea0baae4061f9f12fced9b086"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.02194",
    "kind": "arxiv",
    "version": 1
  }
}