Pith Number

pith:SMDJ6KUO

pith:2017:SMDJ6KUOUGEGXQA2LGVDY45UCE

not attested not anchored not stored refs pending

Refinement Reflection: Complete Verification with SMT

Anish Tondwalkar, Niki Vazou, Philip Wadler, Ranjit Jhala, Ryan G. Scott, Ryan R. Newton, Vikraman Choudhury

arxiv:1711.03842 v1 · 2017-11-09 · cs.PL · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SMDJ6KUOUGEGXQA2LGVDY45UCE}

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	2026-05-17T23:40:43.854435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93069f2a8ea1886bc01a59aa3c73b4111a0e79799dea7fa84915dae22957a29c

Aliases

arxiv: 1711.03842 · arxiv_version: 1711.03842v1 · doi: 10.48550/arxiv.1711.03842 · pith_short_12: SMDJ6KUOUGEG · pith_short_16: SMDJ6KUOUGEGXQA2 · pith_short_8: SMDJ6KUO

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/SMDJ6KUOUGEGXQA2LGVDY45UCE \
  | 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: 93069f2a8ea1886bc01a59aa3c73b4111a0e79799dea7fa84915dae22957a29c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67e6866895a1477224c14e551e6b51be06326ece5458de05cbc2f6a172c75062",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2017-11-09T17:51:16Z",
    "title_canon_sha256": "369f186a61844489e7f6e2e724eec198a0882eea6b5ba045ab418853311e6816"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.03842",
    "kind": "arxiv",
    "version": 1
  }
}