Pith Number

pith:D7SHDOVR

pith:2015:D7SHDOVR7MSBFBQW4OPVVSD4M2

not attested not anchored not stored refs pending

On a question of Zadrozny

Mohammad Golshani

arxiv:1602.02994 v1 · 2015-12-13 · 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{D7SHDOVR7MSBFBQW4OPVVSD4M2}

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	2026-05-18T01:21:03.723838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fe471bab1fb24128616e39f5ac87c668ad851560bee5c7da9c110e831af507a

Aliases

arxiv: 1602.02994 · arxiv_version: 1602.02994v1 · doi: 10.48550/arxiv.1602.02994 · pith_short_12: D7SHDOVR7MSB · pith_short_16: D7SHDOVR7MSBFBQW · pith_short_8: D7SHDOVR

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/D7SHDOVR7MSBFBQW4OPVVSD4M2 \
  | 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: 1fe471bab1fb24128616e39f5ac87c668ad851560bee5c7da9c110e831af507a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80c5742c3dc22d6b6ee99bb8721366174ff1bf3522c5b95686aeb6759c703047",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-12-13T05:01:39Z",
    "title_canon_sha256": "d7ef8bf819b83ad4fa1a94f7dcabe24a398cc564c3d126ce2d831006809ecca2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.02994",
    "kind": "arxiv",
    "version": 1
  }
}