Pith Number

pith:3OR6FJYQ

pith:2014:3OR6FJYQRUENMSUJLEHFRW5UOY

not attested not anchored not stored refs pending

Approximation Algorithms for Budget Constrained Network Upgradeable Problems

Debjyoti Saharoy, Sandeep Sen

arxiv:1412.3721 v1 · 2014-12-11 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3OR6FJYQRUENMSUJLEHFRW5UOY}

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	2026-05-18T02:31:30.473590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dba3e2a7108d08d64a89590e58dbb4763cd66f6b0d8380bc489208764dc317ed

Aliases

arxiv: 1412.3721 · arxiv_version: 1412.3721v1 · doi: 10.48550/arxiv.1412.3721 · pith_short_12: 3OR6FJYQRUEN · pith_short_16: 3OR6FJYQRUENMSUJ · pith_short_8: 3OR6FJYQ

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/3OR6FJYQRUENMSUJLEHFRW5UOY \
  | 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: dba3e2a7108d08d64a89590e58dbb4763cd66f6b0d8380bc489208764dc317ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f4ed7bbf35b63d029705c882c193288aaf55923e456bfa18f4b98af2c54e065",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-12-11T16:47:57Z",
    "title_canon_sha256": "2aa7c39f9d99449daa360d8f23592c1a0977f599410ccfd1308551138ce8c88a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.3721",
    "kind": "arxiv",
    "version": 1
  }
}