Pith Number

pith:UUFDF3J2

pith:2015:UUFDF3J2XLDEL2XZSMRUE46NOG

not attested not anchored not stored refs pending

Infinitesimal Perturbation Analysis for Personalized Cancer Therapy Design

Christos G. Cassandras, Julia L. Fleck

arxiv:1504.07642 v1 · 2015-04-28 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UUFDF3J2XLDEL2XZSMRUE46NOG}

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	2026-05-18T02:17:32.714644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a50a32ed3abac645eaf993234273cd71ab93de8f0085507653f1ef7dfbfd70ac

Aliases

arxiv: 1504.07642 · arxiv_version: 1504.07642v1 · doi: 10.48550/arxiv.1504.07642 · pith_short_12: UUFDF3J2XLDE · pith_short_16: UUFDF3J2XLDEL2XZ · pith_short_8: UUFDF3J2

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/UUFDF3J2XLDEL2XZSMRUE46NOG \
  | 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: a50a32ed3abac645eaf993234273cd71ab93de8f0085507653f1ef7dfbfd70ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1228db00d5ecf49c3df6feae8738f045503596baeb9ad7d0f8f463af0314d5c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-04-28T20:05:31Z",
    "title_canon_sha256": "de2814e5448ca1e53db5f7e880d114a0b09f348e3f95c6354f881ec2527efd26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07642",
    "kind": "arxiv",
    "version": 1
  }
}