Pith Number

pith:SPFBC7HB

pith:2019:SPFBC7HB5AE7X64MHRGKY4J3YA

not attested not anchored not stored refs pending

Sequence Generation: From Both Sides to the Middle

Chengqing Zong, Heng Yu, Jiajun Zhang, Long Zhou

arxiv:1906.09601 v1 · 2019-06-23 · cs.CL · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SPFBC7HB5AE7X64MHRGKY4J3YA}

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	2026-05-17T23:42:37.423538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93ca117ce1e809fbfb8c3c4cac713bc0032c2c79652ad170b27371bbc6ba9137

Aliases

arxiv: 1906.09601 · arxiv_version: 1906.09601v1 · doi: 10.48550/arxiv.1906.09601 · pith_short_12: SPFBC7HB5AE7 · pith_short_16: SPFBC7HB5AE7X64M · pith_short_8: SPFBC7HB

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/SPFBC7HB5AE7X64MHRGKY4J3YA \
  | 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: 93ca117ce1e809fbfb8c3c4cac713bc0032c2c79652ad170b27371bbc6ba9137

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddf8638fe4968778193ddf660f3d2afd3852a7072c09bc453e79d3649bea82a7",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-06-23T16:13:45Z",
    "title_canon_sha256": "9594264f5c31f9651beaeb18fba1ee1d8b02c02ca554c601b436ec131acbeb7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09601",
    "kind": "arxiv",
    "version": 1
  }
}