Pith Number

pith:N6IQMLXJ

pith:2018:N6IQMLXJLO4OWEU52OAJX3P2CE

not attested not anchored not stored refs pending

ARCHANGEL: Trusted Archives of Digital Public Documents

Alan Brown, Alex Green, Jamie Fawcett, Jez Higgins, John Collomosse, John Sheridan, Mark Bell, Olivier Thereaux, Tu Bui

arxiv:1804.08342 v1 · 2018-04-23 · 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{N6IQMLXJLO4OWEU52OAJX3P2CE}

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	2026-05-18T00:17:48.698757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f91062ee95bb8eb129dd3809bedfa112c012065978a95b536fef17eeee96f0f

Aliases

arxiv: 1804.08342 · arxiv_version: 1804.08342v1 · doi: 10.48550/arxiv.1804.08342 · pith_short_12: N6IQMLXJLO4O · pith_short_16: N6IQMLXJLO4OWEU5 · pith_short_8: N6IQMLXJ

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/N6IQMLXJLO4OWEU52OAJX3P2CE \
  | 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: 6f91062ee95bb8eb129dd3809bedfa112c012065978a95b536fef17eeee96f0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acde4f6f945d8ba4a10193358b1a2342b6222598d1835c9d1731afdb49f3034b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2018-04-23T11:24:34Z",
    "title_canon_sha256": "8bd12307146421315e446dd53d561bb7fb2ae945d04e3360305d97fda76cea16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08342",
    "kind": "arxiv",
    "version": 1
  }
}