Pith Number

pith:53IESSIB

pith:2015:53IESSIBQYAXQL77YX4P4DRXH5

not attested not anchored not stored refs pending

On homogeneous ultrametric spaces

C. Delhomme, C. Laflamme, M. Pouzet, N. Sauer

arxiv:1509.04346 v2 · 2015-09-14 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{53IESSIBQYAXQL77YX4P4DRXH5}

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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

Universal homogeneous two-sorted ultrametric spaces

Receipt and verification

First computed	2026-05-18T00:56:21.428152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eed04949018601782fffc5f8fe0e373f59a9a92d7caeb5f2cad0a08d4dad2154

Aliases

arxiv: 1509.04346 · arxiv_version: 1509.04346v2 · doi: 10.48550/arxiv.1509.04346 · pith_short_12: 53IESSIBQYAX · pith_short_16: 53IESSIBQYAXQL77 · pith_short_8: 53IESSIB

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/53IESSIBQYAXQL77YX4P4DRXH5 \
  | 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: eed04949018601782fffc5f8fe0e373f59a9a92d7caeb5f2cad0a08d4dad2154

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9419529f11009326dc3e62d3ebb27b9b25d31f5189bb2f0b7effda4d3bc9ec93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2015-09-14T22:38:29Z",
    "title_canon_sha256": "fb31e8797b24c3105d1e233dbe3644be41c27e95905216db72fe2eeac32f085f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04346",
    "kind": "arxiv",
    "version": 2
  }
}