Pith Number

pith:RWLFXHI4

pith:2012:RWLFXHI43YLHQFYALJQPRVZKYN

not attested not anchored not stored refs pending

Ozsv\'ath-Szab\'o invariants of contact surgeries

Marco Golla

arxiv:1201.5286 v2 · 2012-01-25 · 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{RWLFXHI43YLHQFYALJQPRVZKYN}

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	2026-05-18T02:03:38.700036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d965b9d1cde167817005a60f8d72ac360fbe3f94452cc49d574d329537f7c78

Aliases

arxiv: 1201.5286 · arxiv_version: 1201.5286v2 · doi: 10.48550/arxiv.1201.5286 · pith_short_12: RWLFXHI43YLH · pith_short_16: RWLFXHI43YLHQFYA · pith_short_8: RWLFXHI4

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/RWLFXHI43YLHQFYALJQPRVZKYN \
  | 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: 8d965b9d1cde167817005a60f8d72ac360fbe3f94452cc49d574d329537f7c78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "338cbb4d1ddf52dd5c381ef477bc31ca398685d1ffdacf52459e87beb171f065",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2012-01-25T14:39:56Z",
    "title_canon_sha256": "f378751e807f791c0bc845369e0b699e8ebaf50238413a8ca1a3a76ba428741e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5286",
    "kind": "arxiv",
    "version": 2
  }
}