Pith Number

pith:NGYEUPCV

pith:2015:NGYEUPCVN6XJ6LL4PPEJQ7HVUP

not attested not anchored not stored refs pending

Machine Ruling

Zhe Chen

arxiv:1512.06466 v1 · 2015-12-21 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NGYEUPCVN6XJ6LL4PPEJQ7HVUP}

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	2026-05-18T01:24:00.485069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69b04a3c556fae9f2d7c7bc8987cf5a3c73299ae8bd64412131186519d2ade84

Aliases

arxiv: 1512.06466 · arxiv_version: 1512.06466v1 · doi: 10.48550/arxiv.1512.06466 · pith_short_12: NGYEUPCVN6XJ · pith_short_16: NGYEUPCVN6XJ6LL4 · pith_short_8: NGYEUPCV

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/NGYEUPCVN6XJ6LL4PPEJQ7HVUP \
  | 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: 69b04a3c556fae9f2d7c7bc8987cf5a3c73299ae8bd64412131186519d2ade84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f82d7f7a8f1c6d01ad59ed77ce81ed413860f225a98ea9d438f05dc525b0c3e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2015-12-21T01:30:04Z",
    "title_canon_sha256": "83c9f810a2de7d5ce234b647d8d5ebd5896467af421cd0243d744e7d8d03c316"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.06466",
    "kind": "arxiv",
    "version": 1
  }
}