Pith Number

pith:NPG34KBO

pith:2017:NPG34KBOGITYV7S5U6IOHRAB3R

not attested not anchored not stored refs pending

Embedded Picard-Vessiot extensions

Anand Pillay, Francoise Point, Greg Cousins, Quentin Brouette

arxiv:1709.00046 v1 · 2017-08-31 · math.AG · 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{NPG34KBOGITYV7S5U6IOHRAB3R}

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	2026-05-18T00:36:13.578147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bcdbe282e32278afe5da790e3c401dc5f89ddc9b23f90edc6e2bcb17bff007b

Aliases

arxiv: 1709.00046 · arxiv_version: 1709.00046v1 · doi: 10.48550/arxiv.1709.00046 · pith_short_12: NPG34KBOGITY · pith_short_16: NPG34KBOGITYV7S5 · pith_short_8: NPG34KBO

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/NPG34KBOGITYV7S5U6IOHRAB3R \
  | 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: 6bcdbe282e32278afe5da790e3c401dc5f89ddc9b23f90edc6e2bcb17bff007b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9973ddf26d596a7cde74c4bcb8c779bd00fe862bb1aaf85c63e4451112d8f4a3",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-08-31T19:19:53Z",
    "title_canon_sha256": "1fcfc15b87841ef38c6453cb0d86cba9e3cd3df59f13127f2c464926aea44054"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.00046",
    "kind": "arxiv",
    "version": 1
  }
}