Pith Number

pith:R7VXZCEX

pith:2016:R7VXZCEX57R7Z7JNRZMLKYSPRD

not attested not anchored not stored refs pending

Homological mirror symmetry of elementary birational cobordisms

Gabriel Kerr

arxiv:1603.08074 v2 · 2016-03-26 · 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{R7VXZCEX57R7Z7JNRZMLKYSPRD}

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	2026-05-18T01:14:12.455370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8feb7c8897efe3fcfd2d8e58b5624f88f7e832a0f6652ac2ae51225281c1ec36

Aliases

arxiv: 1603.08074 · arxiv_version: 1603.08074v2 · doi: 10.48550/arxiv.1603.08074 · pith_short_12: R7VXZCEX57R7 · pith_short_16: R7VXZCEX57R7Z7JN · pith_short_8: R7VXZCEX

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/R7VXZCEX57R7Z7JNRZMLKYSPRD \
  | 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: 8feb7c8897efe3fcfd2d8e58b5624f88f7e832a0f6652ac2ae51225281c1ec36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "208561392bd97ab156ca67918ddf19e115badb5b5da85f787e55dc28cfccfea9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2016-03-26T04:49:37Z",
    "title_canon_sha256": "028299866062bb2f619ea6d2e146799171e57163c36d1ccd0141a612782cac3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.08074",
    "kind": "arxiv",
    "version": 2
  }
}