Pith Number

pith:SCK6F77D

pith:2016:SCK6F77DUGQFQ3ROYW3OVFK2YW

not attested not anchored not stored refs pending

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Daniel Lemire, Gregory Ssi-Yan-Kai, Owen Kaser

arxiv:1603.06549 v4 · 2016-03-21 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SCK6F77DUGQFQ3ROYW3OVFK2YW}

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	2026-05-18T00:22:11.322344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9095e2ffe3a1a0586e2ec5b6ea955ac589d17f1119a2072f2a498b750216ea03

Aliases

arxiv: 1603.06549 · arxiv_version: 1603.06549v4 · doi: 10.48550/arxiv.1603.06549 · pith_short_12: SCK6F77DUGQF · pith_short_16: SCK6F77DUGQFQ3RO · pith_short_8: SCK6F77D

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/SCK6F77DUGQFQ3ROYW3OVFK2YW \
  | 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: 9095e2ffe3a1a0586e2ec5b6ea955ac589d17f1119a2072f2a498b750216ea03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c3336f4eb82d282bcea34a97b0d550e2a701ab6870784c4d062a83397d74e5a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2016-03-21T19:30:53Z",
    "title_canon_sha256": "1c827d09d29b2c3b65f42ed4a68818e21e97ac17675e21fab42ceaf0a08cc21e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.06549",
    "kind": "arxiv",
    "version": 4
  }
}