Pith Number

pith:HS7EZ7XR

pith:2015:HS7EZ7XRMQHJVNF4RPLB2HOJOA

not attested not anchored not stored refs pending

Forkable Regular Expressions

Martin Sulzmann, Peter Thiemann

arxiv:1510.07293 v2 · 2015-10-25 · cs.FL · cs.LO · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HS7EZ7XRMQHJVNF4RPLB2HOJOA}

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	2026-05-18T01:24:51.317902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cbe4cfef1640e9ab4bc8bd61d1dc97018a5acf3e6a4e5b2b32c6ac7157e1c44

Aliases

arxiv: 1510.07293 · arxiv_version: 1510.07293v2 · doi: 10.48550/arxiv.1510.07293 · pith_short_12: HS7EZ7XRMQHJ · pith_short_16: HS7EZ7XRMQHJVNF4 · pith_short_8: HS7EZ7XR

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/HS7EZ7XRMQHJVNF4RPLB2HOJOA \
  | 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: 3cbe4cfef1640e9ab4bc8bd61d1dc97018a5acf3e6a4e5b2b32c6ac7157e1c44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc3cacafcc9f23556ff5910ae4a67867ecb777c407f54c989a4a22b1a81c8310",
    "cross_cats_sorted": [
      "cs.LO",
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2015-10-25T19:42:43Z",
    "title_canon_sha256": "c38e7a99a5d13d0e269b119a8b7ddaa4b25a198c04423482a80eb57b182c7a7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.07293",
    "kind": "arxiv",
    "version": 2
  }
}