Pith Number

pith:KGUCMDVW

pith:2016:KGUCMDVW2HKJR5VPRIXA3W3Z4Z

not attested not anchored not stored refs pending

2-Approximation Algorithms for Perishable Inventory Control When FIFO Is an Optimal Issuing Policy

Can Zhang, Chelsea C. White III, Turgay Ayer

arxiv:1605.01442 v2 · 2016-05-04 · 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{KGUCMDVW2HKJR5VPRIXA3W3Z4Z}

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	2026-05-18T01:15:22.207265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51a8260eb6d1d498f6af8a2e0ddb79e65736f607aed757bfed5273339abeba70

Aliases

arxiv: 1605.01442 · arxiv_version: 1605.01442v2 · doi: 10.48550/arxiv.1605.01442 · pith_short_12: KGUCMDVW2HKJ · pith_short_16: KGUCMDVW2HKJR5VP · pith_short_8: KGUCMDVW

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/KGUCMDVW2HKJR5VPRIXA3W3Z4Z \
  | 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: 51a8260eb6d1d498f6af8a2e0ddb79e65736f607aed757bfed5273339abeba70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbb31649a09448ab2db7f8c857cd0f1f91e138809c98a60fe2c2a0a5ba849fa2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-05-04T21:46:02Z",
    "title_canon_sha256": "782eb86f8854391d2f80c037bf49b1ae925b98a3c1daca64aa2b652b6e679402"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.01442",
    "kind": "arxiv",
    "version": 2
  }
}