Pith Number

pith:AMJD57KT

pith:2019:AMJD57KT6HLU7UM37URLYA2OK2

not attested not anchored not stored refs pending

FastContext: an efficient and scalable implementation of the ConText algorithm

Jianlin Shi, John F. Hurdle

arxiv:1905.00079 v1 · 2019-04-30 · cs.CL · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AMJD57KT6HLU7UM37URLYA2OK2}

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	2026-05-17T23:40:32.243970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03123efd53f1d74fd19bfd22bc034e56945d3f76ce17f7339fdb0ee595cf1c5a

Aliases

arxiv: 1905.00079 · arxiv_version: 1905.00079v1 · doi: 10.48550/arxiv.1905.00079 · pith_short_12: AMJD57KT6HLU · pith_short_16: AMJD57KT6HLU7UM3 · pith_short_8: AMJD57KT

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/AMJD57KT6HLU7UM37URLYA2OK2 \
  | 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: 03123efd53f1d74fd19bfd22bc034e56945d3f76ce17f7339fdb0ee595cf1c5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ded9d830a6b0adcadf78ce2ddfdbc36b6658bd3170159ddd3ebcaea5f0173444",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-04-30T19:57:47Z",
    "title_canon_sha256": "8cec46510ecbdba0ceb915b603b3d65652ae68df2bed6c40f21e5f30ac63b271"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00079",
    "kind": "arxiv",
    "version": 1
  }
}