Pith Number

pith:FFRJIWAF

pith:2025:FFRJIWAFEQFTNLYGDO4DN3ZCAY

not attested not anchored not stored refs pending

FeedQUAC: Quick Unobtrusive AI-Generated Commentary

George Fitzmaurice, Jo Vermeulen, Justin Matejka, Kendra Wannamaker, Tao Long

arxiv:2504.16416 v1 · 2025-04-23 · cs.HC · cs.AI · cs.CY · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FFRJIWAFEQFTNLYGDO4DN3ZCAY}

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	2026-07-05T10:52:46.338940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2962945805240b36af061bb836ef2206314b96be6e646a699221c3cbb362529b

Aliases

arxiv: 2504.16416 · arxiv_version: 2504.16416v1 · doi: 10.48550/arxiv.2504.16416 · pith_short_12: FFRJIWAFEQFT · pith_short_16: FFRJIWAFEQFTNLYG · pith_short_8: FFRJIWAF

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/FFRJIWAFEQFTNLYGDO4DN3ZCAY \
  | 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: 2962945805240b36af061bb836ef2206314b96be6e646a699221c3cbb362529b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62b49013ba2ce34a95d0ab4952d20a9b9268132343ea700097194415fb328e0a",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CY",
      "cs.MM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2025-04-23T04:48:00Z",
    "title_canon_sha256": "3416fc941a1c4a6f0776714d58662e3d60e9faef44c34c7531389422f33d70fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.16416",
    "kind": "arxiv",
    "version": 1
  }
}