Pith Number

pith:FGFOSNBM

pith:2016:FGFOSNBMSNMHFRGOG5FPU52PZM

not attested not anchored not stored refs pending

A classification of the cofinal structures of precompacta

Aviv Eshed, Boaz Tsaban, M. Vincenta Ferrer, Piotr Szewczak, Salvador Hern\'andez

arxiv:1607.07669 v2 · 2016-07-26 · math.GN · math.FA · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FGFOSNBMSNMHFRGOG5FPU52PZM}

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	2026-05-18T00:53:33.758979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

298ae9342c935872c4ce374afa774fcb110716a5b39fedbab65d4a24fe160eeb

Aliases

arxiv: 1607.07669 · arxiv_version: 1607.07669v2 · doi: 10.48550/arxiv.1607.07669 · pith_short_12: FGFOSNBMSNMH · pith_short_16: FGFOSNBMSNMHFRGO · pith_short_8: FGFOSNBM

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/FGFOSNBMSNMHFRGOG5FPU52PZM \
  | 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: 298ae9342c935872c4ce374afa774fcb110716a5b39fedbab65d4a24fe160eeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b169b656e41f0011bed0796bdbef0abf67da3548fe23bdcfd6d5f707f1a7ee28",
    "cross_cats_sorted": [
      "math.FA",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2016-07-26T12:40:23Z",
    "title_canon_sha256": "72beecdf2ac125859b484922a691f8003b3f4d6829d76721645d022093749102"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.07669",
    "kind": "arxiv",
    "version": 2
  }
}