Pith Number

pith:TBTGHZVT

pith:2019:TBTGHZVTAVVZJ7HB7CT3DS6KX5

not attested not anchored not stored refs pending

Patterns of Effort Contribution and Demand and User Classification based on Participation Patterns in NPM Ecosystem

Audris Mockus, Tapajit Dey, Yuxing Ma

arxiv:1907.06538 v1 · 2019-07-15 · cs.SE · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TBTGHZVTAVVZJ7HB7CT3DS6KX5}

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	2026-05-17T23:40:37.458004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

986663e6b3056b94fce1f8a7b1cbcabf58f9de06a1388dc451f12e7a52c7f2f3

Aliases

arxiv: 1907.06538 · arxiv_version: 1907.06538v1 · doi: 10.48550/arxiv.1907.06538 · pith_short_12: TBTGHZVTAVVZ · pith_short_16: TBTGHZVTAVVZJ7HB · pith_short_8: TBTGHZVT

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/TBTGHZVTAVVZJ7HB7CT3DS6KX5 \
  | 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: 986663e6b3056b94fce1f8a7b1cbcabf58f9de06a1388dc451f12e7a52c7f2f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1098ef96d3f2261d6f9243c303bd61973c2db0d66a09b79071f3e9e36fcd222b",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-07-15T15:08:47Z",
    "title_canon_sha256": "bc84a02fe539d40bb0c260e7e8acb3e8b992354481c03c4a9fca27d809a25d59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06538",
    "kind": "arxiv",
    "version": 1
  }
}