Pith Number

pith:ANWQKL4Q

pith:2017:ANWQKL4QLVOKMBCYIEJOTKFAUN

not attested not anchored not stored refs pending

Distance-preserving Subgraphs of Interval Graphs

Jaikumar Radhakrishnan, Kshitij Gajjar

arxiv:1708.03081 v2 · 2017-08-10 · 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{ANWQKL4QLVOKMBCYIEJOTKFAUN}

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	2026-05-18T00:04:45.304626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

036d052f905d5ca604584112e9a8a0a357d57ab3ee9524e56a130f6f8e300192

Aliases

arxiv: 1708.03081 · arxiv_version: 1708.03081v2 · doi: 10.48550/arxiv.1708.03081 · pith_short_12: ANWQKL4QLVOK · pith_short_16: ANWQKL4QLVOKMBCY · pith_short_8: ANWQKL4Q

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/ANWQKL4QLVOKMBCYIEJOTKFAUN \
  | 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: 036d052f905d5ca604584112e9a8a0a357d57ab3ee9524e56a130f6f8e300192

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "414c8b73410d6d5f21bcc14def7ff1511944d7436bdb8e52ffb504895f9f9551",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-08-10T05:53:02Z",
    "title_canon_sha256": "e662ea17b9049304742528d2a722ff6e92f05d46e53763d9a766a5a55a9ac0cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.03081",
    "kind": "arxiv",
    "version": 2
  }
}