Pith Number

pith:U6PB3BRW

pith:2016:U6PB3BRW75IQBB3TLKP5ZP6Q57

not attested not anchored not stored refs pending

Towards a multigrid method for the minimum-cost flow problem

Alessio Quaglino, Rolf Krause

arxiv:1612.00201 v1 · 2016-12-01 · 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{U6PB3BRW75IQBB3TLKP5ZP6Q57}

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	2026-05-18T00:56:05.790487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a79e1d8636ff510087735a9fdcbfd0efe507c2de45d6e0b44e2f3e868e44c7fb

Aliases

arxiv: 1612.00201 · arxiv_version: 1612.00201v1 · doi: 10.48550/arxiv.1612.00201 · pith_short_12: U6PB3BRW75IQ · pith_short_16: U6PB3BRW75IQBB3T · pith_short_8: U6PB3BRW

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/U6PB3BRW75IQBB3TLKP5ZP6Q57 \
  | 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: a79e1d8636ff510087735a9fdcbfd0efe507c2de45d6e0b44e2f3e868e44c7fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c923b26f7fa4d04b5be81b81fee10b768a5b4b715c46c3e831588a71fe9ca75e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-12-01T11:10:42Z",
    "title_canon_sha256": "9f19eda7615aea7f88cb2115d3970b9b00e1b2679c1d73441556fb149dda9c13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.00201",
    "kind": "arxiv",
    "version": 1
  }
}