Pith Number

pith:TWVQ3M3L

pith:2019:TWVQ3M3LWXSYD3XS76TJPUUUKT

not attested not anchored not stored refs pending

Development of test materials for assessment broadcasting video path

Nameer Hashim Qasim, Valentina Solodka, Volodymyr Pyliavskyi

arxiv:1907.11406 v1 · 2019-07-26 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TWVQ3M3LWXSYD3XS76TJPUUUKT}

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	2026-05-17T23:39:29.179839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dab0db36bb5e581eef2ffa697d29454d3630cf084f5d9820fd798320fea0162

Aliases

arxiv: 1907.11406 · arxiv_version: 1907.11406v1 · doi: 10.48550/arxiv.1907.11406 · pith_short_12: TWVQ3M3LWXSY · pith_short_16: TWVQ3M3LWXSYD3XS · pith_short_8: TWVQ3M3L

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/TWVQ3M3LWXSYD3XS76TJPUUUKT \
  | 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: 9dab0db36bb5e581eef2ffa697d29454d3630cf084f5d9820fd798320fea0162

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd00a714907b9230ba72df6d6017f3046812cf114e5b1a1977c698f004011980",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-07-26T07:17:53Z",
    "title_canon_sha256": "a0cda82feb4a108d906a58442cf0e892904886641ee536ba7de4cae9386067de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.11406",
    "kind": "arxiv",
    "version": 1
  }
}