Pith Number

pith:UDWR3SYK

pith:2018:UDWR3SYKYVRPJ7MAQMNY6QUTKS

not attested not anchored not stored refs pending

Sequential Copying Networks

Furu Wei, Ming Zhou, Nan Yang, Qingyu Zhou

arxiv:1807.02301 v1 · 2018-07-06 · 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{UDWR3SYKYVRPJ7MAQMNY6QUTKS}

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	2026-05-18T00:11:22.476105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0ed1dcb0ac562f4fd80831b8f429354b6503fe7a556da62b3c5cf4c3c0f5a2d

Aliases

arxiv: 1807.02301 · arxiv_version: 1807.02301v1 · doi: 10.48550/arxiv.1807.02301 · pith_short_12: UDWR3SYKYVRP · pith_short_16: UDWR3SYKYVRPJ7MA · pith_short_8: UDWR3SYK

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/UDWR3SYKYVRPJ7MAQMNY6QUTKS \
  | 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: a0ed1dcb0ac562f4fd80831b8f429354b6503fe7a556da62b3c5cf4c3c0f5a2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d892e83b12653c98e42181c10e8df938b893c5e47e35540ddde1da99716b247a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-07-06T08:09:37Z",
    "title_canon_sha256": "b8cfd656765f507cef206d91690300429f13e4930ac22dee165de0677cf9551e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02301",
    "kind": "arxiv",
    "version": 1
  }
}