Pith Number

pith:MD5KQ6LE

pith:2011:MD5KQ6LEWJPQ4JCHCXEC3NERZ2

not attested not anchored not stored refs pending

A Machine Learning Based Analytical Framework for Semantic Annotation Requirements

Hamed Hassanzadeh, Mohammadreza Keyvanpour

arxiv:1104.4950 v1 · 2011-04-26 · cs.AI · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MD5KQ6LEWJPQ4JCHCXEC3NERZ2}

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	2026-05-18T03:49:32.961680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60faa87964b25f0e244715c82db491cead536a2a17c6cc0693b381029020a4ce

Aliases

arxiv: 1104.4950 · arxiv_version: 1104.4950v1 · doi: 10.48550/arxiv.1104.4950 · pith_short_12: MD5KQ6LEWJPQ · pith_short_16: MD5KQ6LEWJPQ4JCH · pith_short_8: MD5KQ6LE

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/MD5KQ6LEWJPQ4JCHCXEC3NERZ2 \
  | 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: 60faa87964b25f0e244715c82db491cead536a2a17c6cc0693b381029020a4ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b72c7be383387be7cbba46d11c42c40c3c0c381f5992aeb15686d9ccae884dde",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2011-04-26T15:36:47Z",
    "title_canon_sha256": "99a0b5a1b0a34f7e96755b845a91de39767aebfc8e15d1d7cf754bf07e8d0cb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4950",
    "kind": "arxiv",
    "version": 1
  }
}