Pith Number

pith:BEST6Y2W

pith:2015:BEST6Y2WH6VBQWDZ44RFZ3NWQN

not attested not anchored not stored refs pending

Simplicial volume of links from link diagrams

Anastasiia Tsvietkova, Oliver Dasbach

arxiv:1512.08316 v2 · 2015-12-28 · 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{BEST6Y2WH6VBQWDZ44RFZ3NWQN}

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	2026-05-17T23:53:34.292438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09253f63563faa185879e7225cedb6836d204b163f63048f785118effe9c4bf8

Aliases

arxiv: 1512.08316 · arxiv_version: 1512.08316v2 · doi: 10.48550/arxiv.1512.08316 · pith_short_12: BEST6Y2WH6VB · pith_short_16: BEST6Y2WH6VBQWDZ · pith_short_8: BEST6Y2W

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/BEST6Y2WH6VBQWDZ44RFZ3NWQN \
  | 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: 09253f63563faa185879e7225cedb6836d204b163f63048f785118effe9c4bf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d4a069629add0a08ec4b2de8f06c91afaf63a97f165ae6f4de623dac0c707d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2015-12-28T04:50:37Z",
    "title_canon_sha256": "86aa96264770aa93a8fd56e45361a845c2d049f52ab5e78c48c32a37315f02a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08316",
    "kind": "arxiv",
    "version": 2
  }
}