Pith Number

pith:GQCXH3ME

pith:2018:GQCXH3MEV2M5OEPBCBMQZ4QNKF

not attested not anchored not stored refs pending

Purity of Crystalline Strata

Adrian vasiu, Jinghao Li

arxiv:1801.09593 v3 · 2018-01-29 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GQCXH3MEV2M5OEPBCBMQZ4QNKF}

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	2026-05-17T23:58:05.188470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

340573ed84ae99d711e110590cf20d516c5813299f8a104009a3caf0b6340d20

Aliases

arxiv: 1801.09593 · arxiv_version: 1801.09593v3 · doi: 10.48550/arxiv.1801.09593 · pith_short_12: GQCXH3MEV2M5 · pith_short_16: GQCXH3MEV2M5OEPB · pith_short_8: GQCXH3ME

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/GQCXH3MEV2M5OEPBCBMQZ4QNKF \
  | 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: 340573ed84ae99d711e110590cf20d516c5813299f8a104009a3caf0b6340d20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58c8dc7ee385533c50e7a048ee0d4eea156fd23cdeaa2519b849cb97a9a74b74",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-01-29T16:01:01Z",
    "title_canon_sha256": "e6914e6cff235dcc825c7b541cd86f1b15b70174b3d859bb9654b480a7a48704"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09593",
    "kind": "arxiv",
    "version": 3
  }
}