Pith Number

pith:7KWPYVDL

pith:2019:7KWPYVDLNGDQRDKTEAYCUYTK33

not attested not anchored not stored refs pending

Selfsimilar Hessian manifolds

Pavel Osipov

arxiv:1908.01731 v4 · 2019-08-05 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7KWPYVDLNGDQRDKTEAYCUYTK33}

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	2026-07-05T03:40:25.900923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

faacfc546b6987088d5320302a626adef6fd83ffdf4b6b00ef8fa2e6159aa07d

Aliases

arxiv: 1908.01731 · arxiv_version: 1908.01731v4 · doi: 10.48550/arxiv.1908.01731 · pith_short_12: 7KWPYVDLNGDQ · pith_short_16: 7KWPYVDLNGDQRDKT · pith_short_8: 7KWPYVDL

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/7KWPYVDLNGDQRDKTEAYCUYTK33 \
  | 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: faacfc546b6987088d5320302a626adef6fd83ffdf4b6b00ef8fa2e6159aa07d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b87dd60fceacebc49e4071e9586742df6a71efc45c3d48dd949c1f31115b48c8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-08-05T17:14:23Z",
    "title_canon_sha256": "a7a08cf8524a915b497361114fb6ee2cfad1a7a9364285bf68b9a83075fe775b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01731",
    "kind": "arxiv",
    "version": 4
  }
}