Pith Number

pith:UUSZYRFQ

pith:2019:UUSZYRFQVYVXRAH6YQP3K5HD3U

not attested not anchored not stored refs pending

A Basic Structure for Grids in Surfaces

Daniel Slilaty, Lowell Abrams

arxiv:1901.03682 v1 · 2019-01-11 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UUSZYRFQVYVXRAH6YQP3K5HD3U}

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	2026-05-17T23:56:30.658049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5259c44b0ae2b7880fec41fb574e3dd120c62fe66f60a7580190f01cea0fbbb

Aliases

arxiv: 1901.03682 · arxiv_version: 1901.03682v1 · doi: 10.48550/arxiv.1901.03682 · pith_short_12: UUSZYRFQVYVX · pith_short_16: UUSZYRFQVYVXRAH6 · pith_short_8: UUSZYRFQ

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/UUSZYRFQVYVXRAH6YQP3K5HD3U \
  | 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: a5259c44b0ae2b7880fec41fb574e3dd120c62fe66f60a7580190f01cea0fbbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08caf139a673aa62894fa088b20ea2b29e65c9852ca94e68365c5802a67bea4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-01-11T18:36:35Z",
    "title_canon_sha256": "6167175e8ba54926b7cfd4d7b17e99a404091f577e2a5c550f30236fc60a279d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03682",
    "kind": "arxiv",
    "version": 1
  }
}