Pith Number

pith:PY3BLMKM

pith:2015:PY3BLMKMSYASBOHF6MPT5KLQWK

not attested not anchored not stored refs pending

The specification property on a set-valued map and its inverse limit

Brian Raines, Tim Tennant

arxiv:1509.08415 v1 · 2015-09-28 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PY3BLMKMSYASBOHF6MPT5KLQWK}

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	2026-05-18T01:31:53.917884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e3615b14c960120b8e5f31f3ea970b2869611cf0224e220cb7f6af0bea19186

Aliases

arxiv: 1509.08415 · arxiv_version: 1509.08415v1 · doi: 10.48550/arxiv.1509.08415 · pith_short_12: PY3BLMKMSYAS · pith_short_16: PY3BLMKMSYASBOHF · pith_short_8: PY3BLMKM

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/PY3BLMKMSYASBOHF6MPT5KLQWK \
  | 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: 7e3615b14c960120b8e5f31f3ea970b2869611cf0224e220cb7f6af0bea19186

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "382eb663718b948a1e2a3af68f339eb3a5d072876770d7f0679c3d7ee87344c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-09-28T18:07:39Z",
    "title_canon_sha256": "485c7f85dac455da181504a96068f205adff3c2df7fe959f855c795fd769e20a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08415",
    "kind": "arxiv",
    "version": 1
  }
}