Pith Number

pith:GURH26AT

pith:2019:GURH26AT76FY32IPRNF4OTUFH2

not attested not anchored not stored refs pending

Targeted Synthesis for Programming with Data Invariants

Hila Peleg, John Sarracino, Nadia Polikarpova, Shraddha Barke, Sorin Lerner

arxiv:1904.13049 v2 · 2019-04-30 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GURH26AT76FY32IPRNF4OTUFH2}

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	2026-07-05T00:15:04.491821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35227d7813ff8b8de90f8b4bc74e853e96bc8816b31c1c007c7836e53bf6a41f

Aliases

arxiv: 1904.13049 · arxiv_version: 1904.13049v2 · doi: 10.48550/arxiv.1904.13049 · pith_short_12: GURH26AT76FY · pith_short_16: GURH26AT76FY32IP · pith_short_8: GURH26AT

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/GURH26AT76FY32IPRNF4OTUFH2 \
  | 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: 35227d7813ff8b8de90f8b4bc74e853e96bc8816b31c1c007c7836e53bf6a41f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c916bdba5ce503197f7577df8a6e86f1b664f543c148899523a085ef289ab680",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2019-04-30T04:58:26Z",
    "title_canon_sha256": "f1718c9530c3bfcf70e0d0a5fba1be64f1dec8a00c5975caab1b40d559a8b531"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.13049",
    "kind": "arxiv",
    "version": 2
  }
}