Pith Number

pith:P3BZPQN4

pith:2017:P3BZPQN4LZAEVNAUKRTP7RZXAW

not attested not anchored not stored refs pending

Twisted smooth Deligne cohomology

Daniel Grady, Hisham Sati

arxiv:1706.02742 v2 · 2017-06-08 · math.DG · math.AG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P3BZPQN4LZAEVNAUKRTP7RZXAW}

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	2026-05-18T00:08:55.284973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ec397c1bc5e404ab4145466ffc737059d5220658ca20df12e60c46d4f7d172f

Aliases

arxiv: 1706.02742 · arxiv_version: 1706.02742v2 · doi: 10.48550/arxiv.1706.02742 · pith_short_12: P3BZPQN4LZAE · pith_short_16: P3BZPQN4LZAEVNAU · pith_short_8: P3BZPQN4

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/P3BZPQN4LZAEVNAUKRTP7RZXAW \
  | 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: 7ec397c1bc5e404ab4145466ffc737059d5220658ca20df12e60c46d4f7d172f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eee2609e93c2cd34f84a502f0aae56cdf198efc70f0c6c617234b3e9a8dcf1a2",
    "cross_cats_sorted": [
      "math.AG",
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-06-08T19:41:51Z",
    "title_canon_sha256": "1845718fd4a666f2a3fba115ef05cbc97dd3903337bcec9849b5d5ba9e1c6564"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.02742",
    "kind": "arxiv",
    "version": 2
  }
}