Pith Number

pith:S2AFQU6N

pith:2021:S2AFQU6NI7XYHQSOOSCYNICSRK

not attested not anchored not stored refs pending

An Update to the Minho Quotation Resource

Brett Drury, Samuel Morais Drury

arxiv:2104.06987 v1 · 2021-04-14 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S2AFQU6NI7XYHQSOOSCYNICSRK}

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	2026-07-05T02:32:11.655789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96805853cd47ef83c24e748586a0528aaedfdca5bd3f623932779dfb923ef31d

Aliases

arxiv: 2104.06987 · arxiv_version: 2104.06987v1 · doi: 10.48550/arxiv.2104.06987 · pith_short_12: S2AFQU6NI7XY · pith_short_16: S2AFQU6NI7XYHQSO · pith_short_8: S2AFQU6N

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/S2AFQU6NI7XYHQSOOSCYNICSRK \
  | 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: 96805853cd47ef83c24e748586a0528aaedfdca5bd3f623932779dfb923ef31d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6f49210b7e2ed6ea650d7faa198af7ea1f3d5ac66344c38375b5f576785bec9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-04-14T17:14:39Z",
    "title_canon_sha256": "a97926354b7dc83355846950c2c86df615c22cb44b688c3890e0dc50c21ee500"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.06987",
    "kind": "arxiv",
    "version": 1
  }
}