Pith Number

pith:S42PHOGP

pith:2011:S42PHOGPCDCMD6J64RS4RTHMDO

not attested not anchored not stored refs pending

Similarity-based Browsing over Linked Open Data

Michael Hickson, Yannis Kargakis, Yannis Tzitzikas

arxiv:1106.4176 v1 · 2011-06-21 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S42PHOGPCDCMD6J64RS4RTHMDO}

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	2026-05-18T04:19:33.958375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9734f3b8cf10c4c1f93ee465c8ccec1bbf7e5bbad89bb14acdd67ac3515eb20f

Aliases

arxiv: 1106.4176 · arxiv_version: 1106.4176v1 · doi: 10.48550/arxiv.1106.4176 · pith_short_12: S42PHOGPCDCM · pith_short_16: S42PHOGPCDCMD6J6 · pith_short_8: S42PHOGP

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/S42PHOGPCDCMD6J64RS4RTHMDO \
  | 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: 9734f3b8cf10c4c1f93ee465c8ccec1bbf7e5bbad89bb14acdd67ac3515eb20f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "994c68025681cc58374a9a5e302025088a3a02ca04ddc9c31413d56262a7bda1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2011-06-21T11:39:11Z",
    "title_canon_sha256": "33ea1e6f44a0cf34b316e677b64849cd54622b97d2f04b5a12cffefc795986ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.4176",
    "kind": "arxiv",
    "version": 1
  }
}