Pith Number

pith:MHZP3VGD

pith:2007:MHZP3VGDI64HYJOWK2QEG3TIHH

not attested not anchored not stored refs pending

Recommending Related Papers Based on Digital Library Access Records

Filip Radlinski, Stefan Pohl, Thorsten Joachims

arxiv:0704.2902 v1 · 2007-04-23 · cs.DL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MHZP3VGDI64HYJOWK2QEG3TIHH}

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	2026-07-04T15:01:01.675860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61f2fdd4c347b87c25d656a0436e6839d9e839b4d492496d3f15fe216d1d93ba

Aliases

arxiv: 0704.2902 · arxiv_version: 0704.2902v1 · doi: 10.48550/arxiv.0704.2902 · pith_short_12: MHZP3VGDI64H · pith_short_16: MHZP3VGDI64HYJOW · pith_short_8: MHZP3VGD

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/MHZP3VGDI64HYJOWK2QEG3TIHH \
  | 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: 61f2fdd4c347b87c25d656a0436e6839d9e839b4d492496d3f15fe216d1d93ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f4b7d9915e888bca7f825c921525124cce558fa21199bcbb94aadbddc94a95c",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "",
    "primary_cat": "cs.DL",
    "submitted_at": "2007-04-23T16:51:40Z",
    "title_canon_sha256": "cc06f27b2ac7a65081147e719b0a6417af98e0ad768bcdcae2df726c0b3af169"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.2902",
    "kind": "arxiv",
    "version": 1
  }
}