Pith Number

pith:3DDIFRXI

pith:2017:3DDIFRXIWAZ35TB2QFA52IQSMY

not attested not anchored not stored refs pending

Selective sequential pseudocompactness

Alejandro Dorantes-Aldama, Dmitri Shakhmatov

arxiv:1702.02055 v1 · 2017-02-07 · 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{3DDIFRXIWAZ35TB2QFA52IQSMY}

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	2026-05-18T00:44:13.395541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8c682c6e8b033becc3a8141dd2212660cf5ab23da573d421187e7cae9c6d47c

Aliases

arxiv: 1702.02055 · arxiv_version: 1702.02055v1 · doi: 10.48550/arxiv.1702.02055 · pith_short_12: 3DDIFRXIWAZ3 · pith_short_16: 3DDIFRXIWAZ35TB2 · pith_short_8: 3DDIFRXI

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/3DDIFRXIWAZ35TB2QFA52IQSMY \
  | 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: d8c682c6e8b033becc3a8141dd2212660cf5ab23da573d421187e7cae9c6d47c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af92214cb07dd4cbe99bdb87bd0ae1fe3e34361794df9432b9f64c3eac6c9d44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2017-02-07T15:18:58Z",
    "title_canon_sha256": "a3b4853d2cd544165a3ec60c8ff99375cd8d8745889237942818b6dad385ac04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02055",
    "kind": "arxiv",
    "version": 1
  }
}