Pith Number

pith:A2FGJV6O

pith:2017:A2FGJV6O6TIPDCAY55CUYJMWRK

not attested not anchored not stored refs pending

How PHP Releases Are Adopted in the Wild?

Jukka Ruohonen, Ville Lepp\"anen

arxiv:1710.05570 v1 · 2017-10-16 · 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{A2FGJV6O6TIPDCAY55CUYJMWRK}

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	2026-05-18T00:19:58.869905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

068a64d7cef4d0f18818ef454c25968a9ae0b17c617a1bb0e2d2c0d2297393ac

Aliases

arxiv: 1710.05570 · arxiv_version: 1710.05570v1 · doi: 10.48550/arxiv.1710.05570 · pith_short_12: A2FGJV6O6TIP · pith_short_16: A2FGJV6O6TIPDCAY · pith_short_8: A2FGJV6O

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/A2FGJV6O6TIPDCAY55CUYJMWRK \
  | 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: 068a64d7cef4d0f18818ef454c25968a9ae0b17c617a1bb0e2d2c0d2297393ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cdc206ec8e851444649350a6588ba983df293f29d6801ae751b163c42b1df64",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-10-16T08:59:58Z",
    "title_canon_sha256": "aaf9b489049a83534ca77463f169bd5e33082e7c588c6dae3929d4620448c69f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.05570",
    "kind": "arxiv",
    "version": 1
  }
}