Pith Number

pith:4OHB42GW

pith:2016:4OHB42GWTYHG2ANPTF4HTSGCHS

not attested not anchored not stored refs pending

On $\sigma$-countably tight spaces

Istv\'an Juh\'asz, Jan van Mill

arxiv:1607.00517 v1 · 2016-07-02 · 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{4OHB42GWTYHG2ANPTF4HTSGCHS}

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	2026-05-18T01:11:36.878781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e38e1e68d69e0e6d01af997879c8c23c95afa833be6883b34ac6dcf7a767d64b

Aliases

arxiv: 1607.00517 · arxiv_version: 1607.00517v1 · doi: 10.48550/arxiv.1607.00517 · pith_short_12: 4OHB42GWTYHG · pith_short_16: 4OHB42GWTYHG2ANP · pith_short_8: 4OHB42GW

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/4OHB42GWTYHG2ANPTF4HTSGCHS \
  | 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: e38e1e68d69e0e6d01af997879c8c23c95afa833be6883b34ac6dcf7a767d64b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "318893673ebff760bc68fe3cca1019ebf8d758ef13d9f3757a8b8dd34353f3aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2016-07-02T14:48:16Z",
    "title_canon_sha256": "f354b422e4390f092d8e9c79ac97493fff809aab9f51b58e851220c2f8ec15ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.00517",
    "kind": "arxiv",
    "version": 1
  }
}