Pith Number

pith:TIB5J6AX

pith:2017:TIB5J6AX7PWUFTLLUBF6JPQILZ

not attested not anchored not stored refs pending

Extracting Event-Centric Document Collections from Large-Scale Web Archives

Elena Demidova, Gerhard Gossen, Thomas Risse

arxiv:1707.09217 v1 · 2017-07-28 · 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{TIB5J6AX7PWUFTLLUBF6JPQILZ}

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	2026-05-18T00:39:16.744197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a03d4f817fbed42cd6ba04be4be085e4643d78c7a3d5c304109397b107d0456

Aliases

arxiv: 1707.09217 · arxiv_version: 1707.09217v1 · doi: 10.48550/arxiv.1707.09217 · pith_short_12: TIB5J6AX7PWU · pith_short_16: TIB5J6AX7PWUFTLL · pith_short_8: TIB5J6AX

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/TIB5J6AX7PWUFTLLUBF6JPQILZ \
  | 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: 9a03d4f817fbed42cd6ba04be4be085e4643d78c7a3d5c304109397b107d0456

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8b7ae12759dec0d86df1d8d094bf089399b9917e5d45cfd92d3670ed87425e2",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2017-07-28T13:18:01Z",
    "title_canon_sha256": "a75389afa20fab7a5e793a8b0a6588bbb2f3a558d65161b84f08541fa72437fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09217",
    "kind": "arxiv",
    "version": 1
  }
}