Pith Number

pith:S7BWWAQF

pith:2018:S7BWWAQFHC5QJETJPI7B2UE3JB

not attested not anchored not stored refs pending

Ascent sliceness

William Rushworth

arxiv:1802.01727 v3 · 2018-02-05 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S7BWWAQFHC5QJETJPI7B2UE3JB}

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	2026-05-17T23:39:58.802731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97c36b020538bb0492697a3e1d509b487163ae7e53271ec4e2849502a22ccf17

Aliases

arxiv: 1802.01727 · arxiv_version: 1802.01727v3 · doi: 10.48550/arxiv.1802.01727 · pith_short_12: S7BWWAQFHC5Q · pith_short_16: S7BWWAQFHC5QJETJ · pith_short_8: S7BWWAQF

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/S7BWWAQFHC5QJETJPI7B2UE3JB \
  | 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: 97c36b020538bb0492697a3e1d509b487163ae7e53271ec4e2849502a22ccf17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07d70a2dba226d644ccc4108a3a77cf7436b27d860e842071adaedef06d69db3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2018-02-05T23:16:20Z",
    "title_canon_sha256": "a944152127556d9c769e2f9fff7f64c351ce8053231de35833d1e2dac3b6e8d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01727",
    "kind": "arxiv",
    "version": 3
  }
}