Pith Number

pith:AYIGZ4EK

pith:2017:AYIGZ4EK5SUI757AOM64FIWGFW

not attested not anchored not stored refs pending

A monad for full ground reference cells

Ohad Kammar, Paul B. Levy, Sam Staton, Sean K. Moss

arxiv:1702.04908 v2 · 2017-02-16 · cs.PL · cs.LO · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AYIGZ4EK5SUI757AOM64FIWGFW}

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	2026-05-18T00:46:07.586014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06106cf08aeca88ff7e0733dc2a2c62db94d275ecc59a46a07d0c09a968b4074

Aliases

arxiv: 1702.04908 · arxiv_version: 1702.04908v2 · doi: 10.48550/arxiv.1702.04908 · pith_short_12: AYIGZ4EK5SUI · pith_short_16: AYIGZ4EK5SUI757A · pith_short_8: AYIGZ4EK

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/AYIGZ4EK5SUI757AOM64FIWGFW \
  | 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: 06106cf08aeca88ff7e0733dc2a2c62db94d275ecc59a46a07d0c09a968b4074

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67d8670708b073bbff010df6f4bbb3975984a842776959aa398160f5aacad0a5",
    "cross_cats_sorted": [
      "cs.LO",
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2017-02-16T10:12:00Z",
    "title_canon_sha256": "ee58c4c0080efe9e31644337eb930ae1665326ce086de9de36de091bbfd66dae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04908",
    "kind": "arxiv",
    "version": 2
  }
}