Pith Number

pith:X7D6BN4B

pith:2017:X7D6BN4B4QMWDRQORXNZCMFKLK

not attested not anchored not stored refs pending

Embedding of metric graphs on hyperbolic surfaces

Bidyut Sanki

arxiv:1703.02359 v4 · 2017-03-07 · 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{X7D6BN4B4QMWDRQORXNZCMFKLK}

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	2026-05-17T23:45:41.388388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfc7e0b781e41961c60e8ddb9130aa5a9311802104647dd6a9961560acfddc95

Aliases

arxiv: 1703.02359 · arxiv_version: 1703.02359v4 · doi: 10.48550/arxiv.1703.02359 · pith_short_12: X7D6BN4B4QMW · pith_short_16: X7D6BN4B4QMWDRQO · pith_short_8: X7D6BN4B

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/X7D6BN4B4QMWDRQORXNZCMFKLK \
  | 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: bfc7e0b781e41961c60e8ddb9130aa5a9311802104647dd6a9961560acfddc95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f12cd5b65cd444b1880f913436936379bc9f5876563ef774e27ba8445c566b86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2017-03-07T12:43:22Z",
    "title_canon_sha256": "cc05ced9a0baa850b033bc8fb18ca32d291d69f15eb284fb15099fc17de64545"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.02359",
    "kind": "arxiv",
    "version": 4
  }
}