Pith Number

pith:CYJD7WEW

pith:2017:CYJD7WEWP3GZU65FI64NR2HQU7

not attested not anchored not stored refs pending

Computability of semicomputable manifolds in computable topological spaces

Igor Su\v{s}i\'c, Zvonko Iljazovi\'c

arxiv:1701.04642 v1 · 2017-01-17 · math.LO · cs.LO · 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{CYJD7WEWP3GZU65FI64NR2HQU7}

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	2026-05-18T00:52:43.036622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16123fd8967ecd9a7ba547b8d8e8f0a7d0c5a3f6f3c4ef40d85c69c0bf07e81c

Aliases

arxiv: 1701.04642 · arxiv_version: 1701.04642v1 · doi: 10.48550/arxiv.1701.04642 · pith_short_12: CYJD7WEWP3GZ · pith_short_16: CYJD7WEWP3GZU65F · pith_short_8: CYJD7WEW

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/CYJD7WEWP3GZU65FI64NR2HQU7 \
  | 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: 16123fd8967ecd9a7ba547b8d8e8f0a7d0c5a3f6f3c4ef40d85c69c0bf07e81c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1c5d6b966af29b763a098da2d17bb583b06aae46753da376b2cb8262e185bab",
    "cross_cats_sorted": [
      "cs.LO",
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-01-17T12:20:52Z",
    "title_canon_sha256": "058aea429e6e58da4182b45d2c8501c71fc8e87695d01a9890d02175522809ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04642",
    "kind": "arxiv",
    "version": 1
  }
}