Pith Number

pith:QMYLBZLY

pith:2016:QMYLBZLY5TWXGYFPGT2JS3A6AS

not attested not anchored not stored refs pending

The squaring operartion and the Singer algebraic transfer

Nguyen Sum

arxiv:1609.03006 v3 · 2016-09-10 · 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{QMYLBZLY5TWXGYFPGT2JS3A6AS}

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	2026-05-18T00:05:00.806587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8330b0e578eced7360af34f4996c1e04a79845f93ab7fb6598895d1074d5b81d

Aliases

arxiv: 1609.03006 · arxiv_version: 1609.03006v3 · doi: 10.48550/arxiv.1609.03006 · pith_short_12: QMYLBZLY5TWX · pith_short_16: QMYLBZLY5TWXGYFP · pith_short_8: QMYLBZLY

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/QMYLBZLY5TWXGYFPGT2JS3A6AS \
  | 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: 8330b0e578eced7360af34f4996c1e04a79845f93ab7fb6598895d1074d5b81d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "567037a78dda24320f90cc0ca779c985b392fd09be546cce536fc53230d17d11",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2016-09-10T06:30:00Z",
    "title_canon_sha256": "e72120357ae070cd59c4bdb2f4952f3ace31e3d6b76d437815b4d309b9c1e563"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.03006",
    "kind": "arxiv",
    "version": 3
  }
}