Pith Number

pith:N2D3F5RW

pith:2021:N2D3F5RWDFWMYONS2KG4YJK7Y2

not attested not anchored not stored refs pending

Understanding How Programmers Can Use Annotations on Documentation

Amber Horvath, Andrew Macvean, Brad A. Myers, Connor Shannon, Emma Paterson, Kazi Jawad, Michael Xieyang Liu, River Hendriksen

arxiv:2111.08684 v2 · 2021-11-16 · cs.HC · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N2D3F5RWDFWMYONS2KG4YJK7Y2}

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	2026-07-05T03:47:26.685502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e87b2f636196ccc39b2d28dcc255fc68e511dca2e78c4ab2d37536a242244ff

Aliases

arxiv: 2111.08684 · arxiv_version: 2111.08684v2 · doi: 10.48550/arxiv.2111.08684 · pith_short_12: N2D3F5RWDFWM · pith_short_16: N2D3F5RWDFWMYONS · pith_short_8: N2D3F5RW

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/N2D3F5RWDFWMYONS2KG4YJK7Y2 \
  | 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: 6e87b2f636196ccc39b2d28dcc255fc68e511dca2e78c4ab2d37536a242244ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd2e1c7dd6a9dca5904e3b0142c7075c936485c3799fe573b22415409bfc01ed",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2021-11-16T18:38:55Z",
    "title_canon_sha256": "cab48ca2730400bb44d57ce31b93724ce6baafb121963b1e8d152007ca9fe9d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.08684",
    "kind": "arxiv",
    "version": 2
  }
}