Pith Number

pith:MYJUW5WS

pith:2015:MYJUW5WSG3IT24KR2RS4D6HNB4

not attested not anchored not stored refs pending

Bass' triangulability problem

Vladimir L. Popov

arxiv:1504.03867 v5 · 2015-04-15 · math.AG · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MYJUW5WSG3IT24KR2RS4D6HNB4}

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	2026-05-18T01:30:08.038834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66134b76d236d13d7151d465c1f8ed0f2b0518dda981b213694e2b9cc5464ccb

Aliases

arxiv: 1504.03867 · arxiv_version: 1504.03867v5 · doi: 10.48550/arxiv.1504.03867 · pith_short_12: MYJUW5WSG3IT · pith_short_16: MYJUW5WSG3IT24KR · pith_short_8: MYJUW5WS

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/MYJUW5WSG3IT24KR2RS4D6HNB4 \
  | 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: 66134b76d236d13d7151d465c1f8ed0f2b0518dda981b213694e2b9cc5464ccb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5912c74d24b7a51990e57ec01fc4a0b10e13e7af586e025eee554cd73a544819",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-04-15T11:39:20Z",
    "title_canon_sha256": "05b62dd9d203207f1f3965fd348f1111d3b2ece1ab6e88b91c56b94876c09735"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03867",
    "kind": "arxiv",
    "version": 5
  }
}