Pith Number

pith:VSDDAALU

pith:2017:VSDDAALUPXTKEA7Z7DWJRO3YUN

not attested not anchored not stored refs pending

Geometric obstructions for Fredholm boundary conditions for manifolds with corners

Jean-Marie Lescure, Paulo Carrillo Rouse

arxiv:1703.05612 v2 · 2017-03-16 · math.DG · math.AP · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VSDDAALUPXTKEA7Z7DWJRO3YUN}

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	2026-05-18T00:09:56.101248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac863001747de6a203f9f8ec98bb78a3451e4c726ab29f349235e45f87e84e2f

Aliases

arxiv: 1703.05612 · arxiv_version: 1703.05612v2 · doi: 10.48550/arxiv.1703.05612 · pith_short_12: VSDDAALUPXTK · pith_short_16: VSDDAALUPXTKEA7Z · pith_short_8: VSDDAALU

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/VSDDAALUPXTKEA7Z7DWJRO3YUN \
  | 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: ac863001747de6a203f9f8ec98bb78a3451e4c726ab29f349235e45f87e84e2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "baee08fe88e3a2add940a107f8acfded418a544b8da21b6dc688b9c5d664ac1f",
    "cross_cats_sorted": [
      "math.AP",
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-03-16T13:32:19Z",
    "title_canon_sha256": "18da3ec3fce6e14bb365365cda29ae715083d34c76400957a2b7ccf9d6010123"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.05612",
    "kind": "arxiv",
    "version": 2
  }
}