Pith Number

pith:HHSR2FMM

pith:2012:HHSR2FMMFQCUAHA2NCBI3QX3TE

not attested not anchored not stored refs pending

Citations, Sequence Alignments, Contagion, and Semantics: On Acyclic Structures and their Randomness

Sandeep Gupta

arxiv:1204.6535 v6 · 2012-04-30 · cs.DM · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HHSR2FMMFQCUAHA2NCBI3QX3TE}

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	2026-05-18T02:43:54.546965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39e51d158c2c05401c1a68828dc2fb992884fe0007912a1e9cf645d34e56af3f

Aliases

arxiv: 1204.6535 · arxiv_version: 1204.6535v6 · doi: 10.48550/arxiv.1204.6535 · pith_short_12: HHSR2FMMFQCU · pith_short_16: HHSR2FMMFQCUAHA2 · pith_short_8: HHSR2FMM

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/HHSR2FMMFQCUAHA2NCBI3QX3TE \
  | 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: 39e51d158c2c05401c1a68828dc2fb992884fe0007912a1e9cf645d34e56af3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8f6b3902879f9b76d2a46e1723f450d3638ae674957ac8da9f115487791bd6c",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2012-04-30T02:19:26Z",
    "title_canon_sha256": "681bc484dc282a014c81aa6d69dfa83f25ce9b7af92e249396ee132a6eaad992"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6535",
    "kind": "arxiv",
    "version": 6
  }
}