Pith Number

pith:7SBJMBQ5

pith:2016:7SBJMBQ5B2IJ6JKHQSEPZW7SBX

not attested not anchored not stored refs pending

The curvature of orbit spaces

Alexander Lytchak, Claudio Gorodski

arxiv:1602.03933 v1 · 2016-02-12 · math.DG · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7SBJMBQ5B2IJ6JKHQSEPZW7SBX}

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	2026-05-18T01:20:55.135451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc8296061d0e909f25478488fcdbf20dd35300e9ce6ad10ab716ad8a5c0479a4

Aliases

arxiv: 1602.03933 · arxiv_version: 1602.03933v1 · doi: 10.48550/arxiv.1602.03933 · pith_short_12: 7SBJMBQ5B2IJ · pith_short_16: 7SBJMBQ5B2IJ6JKH · pith_short_8: 7SBJMBQ5

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/7SBJMBQ5B2IJ6JKHQSEPZW7SBX \
  | 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: fc8296061d0e909f25478488fcdbf20dd35300e9ce6ad10ab716ad8a5c0479a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e652c17f2afd373b91a758453724eeacf661bb8a78a196b2d40803db3c514a0f",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-02-12T00:10:47Z",
    "title_canon_sha256": "3e9d818f0cc3eb2f24b1be198bcbe54bfc79202f9cb46aacb46e26b92d8f9c7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.03933",
    "kind": "arxiv",
    "version": 1
  }
}