Pith Number

pith:HBSQFR33

pith:2013:HBSQFR33P3JK76VKYEDFW572EB

not attested not anchored not stored refs pending

A note on H_infinity structures

Tyler Lawson

arxiv:1311.0796 v1 · 2013-11-04 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HBSQFR33P3JK76VKYEDFW572EB}

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	2026-05-18T03:08:04.817525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

386502c77b7ed2affaaac1065b77fa204825e947050fcaff9ac87aa831e36b10

Aliases

arxiv: 1311.0796 · arxiv_version: 1311.0796v1 · doi: 10.48550/arxiv.1311.0796 · pith_short_12: HBSQFR33P3JK · pith_short_16: HBSQFR33P3JK76VK · pith_short_8: HBSQFR33

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/HBSQFR33P3JK76VKYEDFW572EB \
  | 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: 386502c77b7ed2affaaac1065b77fa204825e947050fcaff9ac87aa831e36b10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53d43b3449ec4e01b6db50fbe504a4dc57377c57abdf84a0d92b2302e1ca5382",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2013-11-04T18:08:36Z",
    "title_canon_sha256": "897e9e82b95d10b948508bcc0d3f90e930f474e88e281057d5661baa2a83a9b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0796",
    "kind": "arxiv",
    "version": 1
  }
}