Pith Number

pith:UPSDZE77

pith:2009:UPSDZE77IC2H2V2QZHLEBERLBJ

not attested not anchored not stored refs pending

Continuity of set-valued maps revisited in the light of tame geometry

Aris Daniilidis, C.H. Jeffrey Pang

arxiv:0905.0373 v1 · 2009-05-04 · math.OC · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UPSDZE77IC2H2V2QZHLEBERLBJ}

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	2026-05-18T04:20:13.370441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3e43c93ff40b47d5750c9d640922b0a42ee309327351ca1d03ffab464501ae2

Aliases

arxiv: 0905.0373 · arxiv_version: 0905.0373v1 · doi: 10.48550/arxiv.0905.0373 · pith_short_12: UPSDZE77IC2H · pith_short_16: UPSDZE77IC2H2V2Q · pith_short_8: UPSDZE77

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/UPSDZE77IC2H2V2QZHLEBERLBJ \
  | 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: a3e43c93ff40b47d5750c9d640922b0a42ee309327351ca1d03ffab464501ae2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9813d94713eb8b8095dbcbb0135c6cdac2646f56f0b71476d2793f8059c8971",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2009-05-04T12:42:33Z",
    "title_canon_sha256": "4d6e871e1f4051bf4f44bf770d45ccac02649b397bda6bf85653eae80a131489"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0373",
    "kind": "arxiv",
    "version": 1
  }
}