Pith Number

pith:OM7UOD75

pith:2016:OM7UOD7534J5ACNSLSFZ7X5U2D

not attested not anchored not stored refs pending

Pointwise Characterizations of Curvature and Second Fundamental Form on Riemannian Manifolds

Bo Wu, Feng-Yu Wang

arxiv:1605.02447 v5 · 2016-05-09 · math.PR

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

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	2026-05-18T00:34:31.733921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

733f470ffddf13d009b25c8b9fdfb4d0e848983c8d1a515b134419565ae8693a

Aliases

arxiv: 1605.02447 · arxiv_version: 1605.02447v5 · doi: 10.48550/arxiv.1605.02447 · pith_short_12: OM7UOD7534J5 · pith_short_16: OM7UOD7534J5ACNS · pith_short_8: OM7UOD75

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/OM7UOD7534J5ACNSLSFZ7X5U2D \
  | 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: 733f470ffddf13d009b25c8b9fdfb4d0e848983c8d1a515b134419565ae8693a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9639ff4e692a3a7cd39e9e669984a37d0c8d33bccf4a1d7d2e3b571b9b3f10f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2016-05-09T07:26:47Z",
    "title_canon_sha256": "7d388102c5341120badff25dd1b43b5b9ab52ff5cfc272171a9bf423f4a7d0fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.02447",
    "kind": "arxiv",
    "version": 5
  }
}