Pith Number

pith:M3A6ZQK6

pith:2018:M3A6ZQK6ROY2YIRJB43CIC37LC

not attested not anchored not stored refs pending

Time-on-Task Estimation with Log-Normal Mixture Model

Ilia Rushkin

arxiv:1805.01819 v1 · 2018-05-04 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M3A6ZQK6ROY2YIRJB43CIC37LC}

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	2026-05-18T00:16:46.599185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66c1ecc15e8bb1ac22290f36240b7f589180a15ca97bd1ca310448d8fd2989c9

Aliases

arxiv: 1805.01819 · arxiv_version: 1805.01819v1 · doi: 10.48550/arxiv.1805.01819 · pith_short_12: M3A6ZQK6ROY2 · pith_short_16: M3A6ZQK6ROY2YIRJ · pith_short_8: M3A6ZQK6

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/M3A6ZQK6ROY2YIRJB43CIC37LC \
  | 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: 66c1ecc15e8bb1ac22290f36240b7f589180a15ca97bd1ca310448d8fd2989c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f7371abdae5d4fc5b1ebc594e9e8a965286e175fb15f43998f3441655b1bbec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2018-05-04T15:15:01Z",
    "title_canon_sha256": "6aba3f1dfd7dfdac0007090c564523914989a38a93100805a7bb4eb6d4032572"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01819",
    "kind": "arxiv",
    "version": 1
  }
}