Pith Number

pith:TUT7XCVB

pith:2020:TUT7XCVBTVBE7GVYODNAPFHXMZ

not attested not anchored not stored refs pending

Perverse schobers and the Algebra of the Infrared

Lev Soukhanov, Mikhail Kapranov, Yan Soibelman

arxiv:2011.00845 v1 · 2020-11-02 · math.AG · hep-th · 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{TUT7XCVBTVBE7GVYODNAPFHXMZ}

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	2026-07-05T01:49:06.140625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d27fb8aa19d424f9ab870da0794f7667a54be69bbc43e7a88cd11b7c238fb35

Aliases

arxiv: 2011.00845 · arxiv_version: 2011.00845v1 · doi: 10.48550/arxiv.2011.00845 · pith_short_12: TUT7XCVBTVBE · pith_short_16: TUT7XCVBTVBE7GVY · pith_short_8: TUT7XCVB

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/TUT7XCVBTVBE7GVYODNAPFHXMZ \
  | 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: 9d27fb8aa19d424f9ab870da0794f7667a54be69bbc43e7a88cd11b7c238fb35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3e22166a4591b310fbb654b2409236b84106a34d343a4f76c32b219cbe6b3c7",
    "cross_cats_sorted": [
      "hep-th",
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2020-11-02T09:39:30Z",
    "title_canon_sha256": "1806e1399a74cf02695d60e52abd28463df2668d2f102fd842ab809d10887eba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.00845",
    "kind": "arxiv",
    "version": 1
  }
}