Pith Number

pith:BE65XCVS

pith:2026:BE65XCVS7IDCJVR2EHRZSODD6X

not attested not anchored not stored refs pending

Contact cosmetic surgery on Legendrian knots in integer homology sphere $L$-spaces

Apratim Chakraborty, Swarup Kumar Das, Tanushree Shah

arxiv:2606.27485 v1 · 2026-06-25 · 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{BE65XCVS7IDCJVR2EHRZSODD6X}

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	2026-06-29T00:14:07.982789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

093ddb8ab2fa0624d63a21e3993863f5da62b5ae2a85257c17d278198de91a84

Aliases

arxiv: 2606.27485 · arxiv_version: 2606.27485v1 · doi: 10.48550/arxiv.2606.27485 · pith_short_12: BE65XCVS7IDC · pith_short_16: BE65XCVS7IDCJVR2 · pith_short_8: BE65XCVS

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/BE65XCVS7IDCJVR2EHRZSODD6X \
  | 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: 093ddb8ab2fa0624d63a21e3993863f5da62b5ae2a85257c17d278198de91a84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4df2b19905bf0226d8d982aefe483401e554aaeea914b426e4b2bb68de7d119c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2026-06-25T19:08:12Z",
    "title_canon_sha256": "6c993c8e3bb1d1523db013167c81bcb5c2bd78e21e32e65a1b5f7421be02f0e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.27485",
    "kind": "arxiv",
    "version": 1
  }
}