Pith Number

pith:PR4SAISE

pith:2016:PR4SAISEW5SRIJFP2TCEKCGG6W

not attested not anchored not stored refs pending

Improving the Randomization Step in Feasibility Pump

Andres Iroume, Domenico Salvagnin, Marco Molinaro, Santanu S. Dey

arxiv:1609.08121 v1 · 2016-09-26 · 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{PR4SAISEW5SRIJFP2TCEKCGG6W}

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	2026-05-18T01:03:54.379974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c79202244b7651424afd4c44508c6f5b372a79e535e5fe7c4e05198c28a04c5

Aliases

arxiv: 1609.08121 · arxiv_version: 1609.08121v1 · doi: 10.48550/arxiv.1609.08121 · pith_short_12: PR4SAISEW5SR · pith_short_16: PR4SAISEW5SRIJFP · pith_short_8: PR4SAISE

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/PR4SAISEW5SRIJFP2TCEKCGG6W \
  | 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: 7c79202244b7651424afd4c44508c6f5b372a79e535e5fe7c4e05198c28a04c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41407e20ead5ceeaf2f13ebebd4e751816eaf5619664a1d944f9ce10864ad3d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-09-26T19:02:23Z",
    "title_canon_sha256": "b85d4a18009d61ac49e00df14f16a2bdabf0cd529d5ff8e7b7c65ae9cf46f781"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.08121",
    "kind": "arxiv",
    "version": 1
  }
}