Pith Number

pith:JWI2RW2E

pith:2018:JWI2RW2EJS5D4XCH5DHUFIRPWH

not attested not anchored not stored refs pending

Speech Coding, Speech Interfaces and IoT - Opportunities and Challenges

Tom B\"ackstr\"om

arxiv:1811.05720 v1 · 2018-11-14 · eess.AS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JWI2RW2EJS5D4XCH5DHUFIRPWH}

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	2026-05-18T00:00:42.238226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d91a8db444cba3e5c47e8cf42a22fb1e9ed4afbbbee53800a0f72c260255163

Aliases

arxiv: 1811.05720 · arxiv_version: 1811.05720v1 · doi: 10.48550/arxiv.1811.05720 · pith_short_12: JWI2RW2EJS5D · pith_short_16: JWI2RW2EJS5D4XCH · pith_short_8: JWI2RW2E

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/JWI2RW2EJS5D4XCH5DHUFIRPWH \
  | 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: 4d91a8db444cba3e5c47e8cf42a22fb1e9ed4afbbbee53800a0f72c260255163

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13800b000ab8945a2a07ca2c95120530c44b2fd968ba0742ff8e8be7878ba2fa",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2018-11-14T10:42:34Z",
    "title_canon_sha256": "c13a0418d1ba6c52b01bde0051455e725030b150f58c9d2a415db26a96e07115"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.05720",
    "kind": "arxiv",
    "version": 1
  }
}