Pith Number

pith:UST7NY7Q

pith:2025:UST7NY7QF6VZBZP2FUZY35J5BK

not attested not anchored not stored refs pending

Immutable Digital Recognition via Blockchain

Xiaoqi Li, Zeng Zhang

arxiv:2508.18750 v2 · 2025-08-26 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UST7NY7QF6VZBZP2FUZY35J5BK}

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	2026-07-05T12:02:06.997799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4a7f6e3f02fab90e5fa2d338df53d0aa20f17ceb76f0d8893bf9b5d30fa1682

Aliases

arxiv: 2508.18750 · arxiv_version: 2508.18750v2 · doi: 10.48550/arxiv.2508.18750 · pith_short_12: UST7NY7QF6VZ · pith_short_16: UST7NY7QF6VZBZP2 · pith_short_8: UST7NY7Q

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/UST7NY7QF6VZBZP2FUZY35J5BK \
  | 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: a4a7f6e3f02fab90e5fa2d338df53d0aa20f17ceb76f0d8893bf9b5d30fa1682

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6badfc26ddb4b2e5def91b4de47390310337d2c05df34184082c0beeeae52e7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-08-26T07:27:12Z",
    "title_canon_sha256": "f2b1eb56f4527889e4a5508a78f9a585e6e58fea14172282850d905a0bc48e49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.18750",
    "kind": "arxiv",
    "version": 2
  }
}