Pith Number

pith:HHDKJ5ZA

pith:2019:HHDKJ5ZAEQMLL5N72Z3E537MYW

not attested not anchored not stored refs pending

Snaxels on a Plane

John C. Hart, Kevin Karsch

arxiv:1904.09530 v1 · 2019-04-21 · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HHDKJ5ZAEQMLL5N72Z3E537MYW}

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	2026-05-17T23:48:03.974421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39c6a4f7202418b5f5bfd6764eefecc5baeedbc2e609f1d5a4979b1dbc7df26a

Aliases

arxiv: 1904.09530 · arxiv_version: 1904.09530v1 · doi: 10.48550/arxiv.1904.09530 · pith_short_12: HHDKJ5ZAEQML · pith_short_16: HHDKJ5ZAEQMLL5N7 · pith_short_8: HHDKJ5ZA

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/HHDKJ5ZAEQMLL5N72Z3E537MYW \
  | 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: 39c6a4f7202418b5f5bfd6764eefecc5baeedbc2e609f1d5a4979b1dbc7df26a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ba2d52efaac97d0ca1af0f11aae94f85a78ad3f7a28d88e49dfdaf1827d5452",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2019-04-21T02:36:36Z",
    "title_canon_sha256": "412b32910d435843ddf7f75b85e3199bed7584d304f5570d6a148d58a6d471be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09530",
    "kind": "arxiv",
    "version": 1
  }
}