Pith Number

pith:B275GRBK

pith:2015:B275GRBKEEKTTGBJSBF4AFGS6R

not attested not anchored not stored refs pending

Extending partial isometries of generalized metric spaces

Gabriel Conant

arxiv:1509.04950 v4 · 2015-09-16 · math.LO · 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{B275GRBKEEKTTGBJSBF4AFGS6R}

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.

Cited by

1 paper in Pith

Comparison-Based Indexing From First Principles

Receipt and verification

First computed	2026-07-05T01:04:43.775685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ebfd3442a2115399829904bc014d2f473886374981c7cdd9fd6db106754238e

Aliases

arxiv: 1509.04950 · arxiv_version: 1509.04950v4 · doi: 10.48550/arxiv.1509.04950 · pith_short_12: B275GRBKEEKT · pith_short_16: B275GRBKEEKTTGBJ · pith_short_8: B275GRBK

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/B275GRBKEEKTTGBJSBF4AFGS6R \
  | 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: 0ebfd3442a2115399829904bc014d2f473886374981c7cdd9fd6db106754238e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "622595ff8449729cd635ffb9f0687a1f44e8cea672d2a0e475cd36d66e2b0047",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-09-16T15:31:17Z",
    "title_canon_sha256": "50336b1df177c06044a0b6f6dfae0afe4d0cd1299d5296aea208c11b6758771c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04950",
    "kind": "arxiv",
    "version": 4
  }
}