Pith Number

pith:QB67ZJS2

pith:2018:QB67ZJS2JCXHE543DXGBLSFFTK

not attested not anchored not stored refs pending

A differential graded model for derived analytic geometry

J. P. Pridham

arxiv:1805.08538 v1 · 2018-05-22 · 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{QB67ZJS2JCXHE543DXGBLSFFTK}

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	2026-05-18T00:15:26.102460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

807dfca65a48ae72779b1dcc15c8a59a8c42f5f257b5de5a693ef4059196a159

Aliases

arxiv: 1805.08538 · arxiv_version: 1805.08538v1 · doi: 10.48550/arxiv.1805.08538 · pith_short_12: QB67ZJS2JCXH · pith_short_16: QB67ZJS2JCXHE543 · pith_short_8: QB67ZJS2

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/QB67ZJS2JCXHE543DXGBLSFFTK \
  | 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: 807dfca65a48ae72779b1dcc15c8a59a8c42f5f257b5de5a693ef4059196a159

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f168eb1dfe44b7424420b9719aa59f776bae8f994c50d5a7e75719e76f377354",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-05-22T12:23:23Z",
    "title_canon_sha256": "51f93f12f76472e7b9052e669f9e04cc2c2f1d9347c7bb4c681569ccfbb8b0e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08538",
    "kind": "arxiv",
    "version": 1
  }
}