Pith Number

pith:64O45JP3

pith:2021:64O45JP3B6BO5JK7BPL4CWR7LC

not attested not anchored not stored refs pending

Changes from the Trenches: Should We Automate Them?

Iftekhar Ahmed, Jiawei Li, Timofey Bryksin, Viacheslav Bushev, Yaroslav Golubev

arxiv:2105.10157 v2 · 2021-05-21 · 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{64O45JP3B6BO5JK7BPL4CWR7LC}

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	2026-07-05T03:03:19.601170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f71dcea5fb0f82eea55f0bd7c15a3f589841aa0ebfb8e85c45fd74cb24a80a35

Aliases

arxiv: 2105.10157 · arxiv_version: 2105.10157v2 · doi: 10.48550/arxiv.2105.10157 · pith_short_12: 64O45JP3B6BO · pith_short_16: 64O45JP3B6BO5JK7 · pith_short_8: 64O45JP3

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/64O45JP3B6BO5JK7BPL4CWR7LC \
  | 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: f71dcea5fb0f82eea55f0bd7c15a3f589841aa0ebfb8e85c45fd74cb24a80a35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b69f7a7c0b1c877bae4346f7bcc606be36606f3fb5465b169831cb687b13aef7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2021-05-21T06:43:58Z",
    "title_canon_sha256": "96fbb1edcb2d87f30bc680c5d70f2425e3df228760bf2d727560b41b881ce853"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.10157",
    "kind": "arxiv",
    "version": 2
  }
}