Pith Number

pith:H2FI77SE

pith:2011:H2FI77SEXR5YV2VGCQKMRQNFKH

not attested not anchored not stored refs pending

Compressed String Dictionaries

Gonzalo Navarro, Miguel A. Mart\'inez-Prieto, Nieves R. Brisaboa, Rodrigo C\'anovas

arxiv:1101.5506 v1 · 2011-01-28 · 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{H2FI77SEXR5YV2VGCQKMRQNFKH}

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	2026-05-18T04:30:34.815081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e8a8ffe44bc7b8aeaa61414c8c1a551e252ade8441568522b7e3b4981c7d998

Aliases

arxiv: 1101.5506 · arxiv_version: 1101.5506v1 · doi: 10.48550/arxiv.1101.5506 · pith_short_12: H2FI77SEXR5Y · pith_short_16: H2FI77SEXR5YV2VG · pith_short_8: H2FI77SE

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/H2FI77SEXR5YV2VGCQKMRQNFKH \
  | 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: 3e8a8ffe44bc7b8aeaa61414c8c1a551e252ade8441568522b7e3b4981c7d998

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d47f8c91baabe61d59dd98d6845e0e3ff9c137ff75719daa8e6841ce4ac61809",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-01-28T11:08:46Z",
    "title_canon_sha256": "ef6ed84e282ee9005e8222d0fbe3e21f2955baf801dd0236f2eaed3970814da8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5506",
    "kind": "arxiv",
    "version": 1
  }
}