Pith Number

pith:S6ASIYT5

pith:2008:S6ASIYT5UO24GQFX6Q66UMWLEL

not attested not anchored not stored refs pending

Climbing a Legendrian mountain range without Stabilization

Douglas J. LaFountain, William W. Menasco

arxiv:0801.3475 v2 · 2008-01-22 · math.GT · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S6ASIYT5UO24GQFX6Q66UMWLEL}

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	2026-05-18T01:46:14.504177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

978124627da3b5c340b7f43dea32cb22e8440daf969eb3aaf96fe26e217886c8

Aliases

arxiv: 0801.3475 · arxiv_version: 0801.3475v2 · doi: 10.48550/arxiv.0801.3475 · pith_short_12: S6ASIYT5UO24 · pith_short_16: S6ASIYT5UO24GQFX · pith_short_8: S6ASIYT5

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/S6ASIYT5UO24GQFX6Q66UMWLEL \
  | 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: 978124627da3b5c340b7f43dea32cb22e8440daf969eb3aaf96fe26e217886c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e89bd0742ec72c7cadf221df3b64c0112253a2748a823f6345115b8cc24a2a0",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2008-01-22T22:35:55Z",
    "title_canon_sha256": "8f247ea197e000b879d2bedf731533b676d1117521b2666c523e1f3bb94ad04a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.3475",
    "kind": "arxiv",
    "version": 2
  }
}