Pith Number

pith:QAMNV3PJ

pith:2009:QAMNV3PJXVD3S4JE5WU6JTOIQY

not attested not anchored not stored refs pending

New manifestations of the Darboux's rotation and translation fields of a surface

Victor Alexandrov

arxiv:0910.5164 v1 · 2009-10-27 · 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{QAMNV3PJXVD3S4JE5WU6JTOIQY}

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	2026-05-18T04:22:50.177380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8018daede9bd47b97124eda9e4cdc8862df11f2bff1959fa958f354594211f8e

Aliases

arxiv: 0910.5164 · arxiv_version: 0910.5164v1 · doi: 10.48550/arxiv.0910.5164 · pith_short_12: QAMNV3PJXVD3 · pith_short_16: QAMNV3PJXVD3S4JE · pith_short_8: QAMNV3PJ

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/QAMNV3PJXVD3S4JE5WU6JTOIQY \
  | 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: 8018daede9bd47b97124eda9e4cdc8862df11f2bff1959fa958f354594211f8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37c39c7aea6aee3e563686cedab826655841e45e7f5ed31775a9381e464c1d51",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-10-27T16:26:41Z",
    "title_canon_sha256": "d6aac075a59b90b2086b744e9bb5881dc1a49be0637296af3821cbd61cc2ec61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.5164",
    "kind": "arxiv",
    "version": 1
  }
}