Pith Number

pith:CI4P2CAR

pith:1996:CI4P2CARVAMYLWUHHBPSG6LKWT

not attested not anchored not stored refs pending

End sums of irreducible open 3-manifolds

Robert Myers

arxiv:math/9605220 v1 · 1996-05-22 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CI4P2CARVAMYLWUHHBPSG6LKWT}

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	2026-05-18T01:05:47.430782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1238fd0811a81985da87385f23796ab4d75960f5aa5843f4c3be93281014ecf8

Aliases

arxiv: math/9605220 · arxiv_version: math/9605220v1 · doi: 10.48550/arxiv.math/9605220 · pith_short_12: CI4P2CARVAMY · pith_short_16: CI4P2CARVAMYLWUH · pith_short_8: CI4P2CAR

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/CI4P2CARVAMYLWUHHBPSG6LKWT \
  | 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: 1238fd0811a81985da87385f23796ab4d75960f5aa5843f4c3be93281014ecf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdb3407b42afbde30191486e96ad3c425434ac0e54a67856c7a8c3a30c22d1b1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.GT",
    "submitted_at": "1996-05-22T00:00:00Z",
    "title_canon_sha256": "31c87a607026c6b2288010f8023c6ba0d922ed559a3bb44ade62a9709431e636"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9605220",
    "kind": "arxiv",
    "version": 1
  }
}