Pith Number

pith:WI4NL6EF

pith:2016:WI4NL6EFZHGDQFXF6WEUHD7L3V

not attested not anchored not stored refs pending

The iCrawl Wizard -- Supporting Interactive Focused Crawl Specification

Elena Demidova, Gerhard Gossen, Thomas Risse

arxiv:1612.06162 v1 · 2016-12-19 · 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{WI4NL6EFZHGDQFXF6WEUHD7L3V}

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	2026-05-18T00:54:45.799124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b238d5f885c9cc3816e5f589438febdd4cf3b0bc6e3fbc8f219b4d7861f4d5bd

Aliases

arxiv: 1612.06162 · arxiv_version: 1612.06162v1 · doi: 10.48550/arxiv.1612.06162 · pith_short_12: WI4NL6EFZHGD · pith_short_16: WI4NL6EFZHGDQFXF · pith_short_8: WI4NL6EF

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/WI4NL6EFZHGDQFXF6WEUHD7L3V \
  | 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: b238d5f885c9cc3816e5f589438febdd4cf3b0bc6e3fbc8f219b4d7861f4d5bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4e7539efe4431c6b6101596d2427ca81485391d53b9a855061906e3a1921824",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2016-12-19T13:09:15Z",
    "title_canon_sha256": "a6a4b38a30c9754a1021b5777456f17eef96fe10795f71d71389ee60ffdace51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.06162",
    "kind": "arxiv",
    "version": 1
  }
}