Pith Number

pith:VXCCFQD6

pith:2016:VXCCFQD6MFQASS2BG57JTAKX2E

not attested not anchored not stored refs pending

The Anatomy of a Search and Mining System for Digital Archives

Dan Levene, Dell Zhang, Mark Levene, Martyn Harris

arxiv:1603.07150 v1 · 2016-03-23 · cs.DL · cs.CL · 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{VXCCFQD6MFQASS2BG57JTAKX2E}

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	2026-05-18T01:18:24.267201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adc422c07e6160094b41377e998157d12df3ba60cb90841004af928379fd2118

Aliases

arxiv: 1603.07150 · arxiv_version: 1603.07150v1 · doi: 10.48550/arxiv.1603.07150 · pith_short_12: VXCCFQD6MFQA · pith_short_16: VXCCFQD6MFQASS2B · pith_short_8: VXCCFQD6

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/VXCCFQD6MFQASS2BG57JTAKX2E \
  | 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: adc422c07e6160094b41377e998157d12df3ba60cb90841004af928379fd2118

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "848967f263187601a2c99620271168e1998e7a7cfd0e8482aa46bed399f1ed6a",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2016-03-23T12:02:12Z",
    "title_canon_sha256": "5202f3ac6064f3893d8aceaaf4a82bf8a06d8adf25a9d8ea22ba0b9a041f7034"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.07150",
    "kind": "arxiv",
    "version": 1
  }
}