Pith Number

pith:SORG75SW

pith:2017:SORG75SWWFVIIQOHM5IT3IMNWD

not attested not anchored not stored refs pending

CAp 2017 challenge: Twitter Named Entity Recognition

Am\'elie Martin, C\'edric Lopez, Coralie Reutenauer, Fr\'ed\'erique Segond, Georgios Balikas, Ioannis Partalas, Massih-Reza Amini, Nadia Derbas

arxiv:1707.07568 v1 · 2017-07-24 · 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{SORG75SWWFVIIQOHM5IT3IMNWD}

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	2026-05-18T00:39:41.814026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93a26ff656b16a8441c767513da18db0f8011bb36a25dfb8768acdade638fda0

Aliases

arxiv: 1707.07568 · arxiv_version: 1707.07568v1 · doi: 10.48550/arxiv.1707.07568 · pith_short_12: SORG75SWWFVI · pith_short_16: SORG75SWWFVIIQOH · pith_short_8: SORG75SW

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/SORG75SWWFVIIQOHM5IT3IMNWD \
  | 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: 93a26ff656b16a8441c767513da18db0f8011bb36a25dfb8768acdade638fda0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5ff8325664d4dc593104db6f678f3711abc596bb0ca1ac14d26700c0798fc8f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-07-24T14:20:07Z",
    "title_canon_sha256": "abb52d294ba5d481eb6b03830f60ef77f883bae210920f23b264a96b29da8c40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.07568",
    "kind": "arxiv",
    "version": 1
  }
}