Pith Number

pith:BEJ5P2LR

pith:2021:BEJ5P2LRAKEVRQIYCCW6MKWD6E

not attested not anchored not stored refs pending

Extracting Semantics from Maintenance Records

Abhinav Saxena, Sharad Dixit, Varish Mulwad

arxiv:2108.05454 v1 · 2021-08-11 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BEJ5P2LRAKEVRQIYCCW6MKWD6E}

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	2026-07-05T03:05:14.714439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0913d7e971028958c11810ade62ac3f13b7a9dfd0f9a60b7b2672beecac43fa2

Aliases

arxiv: 2108.05454 · arxiv_version: 2108.05454v1 · doi: 10.48550/arxiv.2108.05454 · pith_short_12: BEJ5P2LRAKEV · pith_short_16: BEJ5P2LRAKEVRQIY · pith_short_8: BEJ5P2LR

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/BEJ5P2LRAKEVRQIYCCW6MKWD6E \
  | 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: 0913d7e971028958c11810ade62ac3f13b7a9dfd0f9a60b7b2672beecac43fa2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eba61bdb7c6025038cba0f69d2234fc5c2df5ae552e20515803369143e2acaa4",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-08-11T21:23:10Z",
    "title_canon_sha256": "cbf7877d731509bfd1c453e2c114189fb7b8a72b1f8c7c92e33715f433f5050f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.05454",
    "kind": "arxiv",
    "version": 1
  }
}