Pith Number

pith:XY6X3BGH

pith:2019:XY6X3BGHP5KCFYGFVLDWNAXA5A

not attested not anchored not stored refs pending

A dg Lie model for relative homotopy automorphisms

Alexander Berglund, Bashar Saleh

arxiv:1905.01236 v1 · 2019-05-03 · 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{XY6X3BGHP5KCFYGFVLDWNAXA5A}

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	2026-05-17T23:47:06.445442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be3d7d84c77f5422e0c5aac76682e0e804a7e9f0bb5a0aafa432d11e4084d3d2

Aliases

arxiv: 1905.01236 · arxiv_version: 1905.01236v1 · doi: 10.48550/arxiv.1905.01236 · pith_short_12: XY6X3BGHP5KC · pith_short_16: XY6X3BGHP5KCFYGF · pith_short_8: XY6X3BGH

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/XY6X3BGHP5KCFYGFVLDWNAXA5A \
  | 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: be3d7d84c77f5422e0c5aac76682e0e804a7e9f0bb5a0aafa432d11e4084d3d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85d06903b53567d1b42b7ff7d61ad0d48220df4522bfda5a116552baac6dd837",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2019-05-03T15:51:17Z",
    "title_canon_sha256": "da6ba6bbc1e2811666fb2a663b01b0db8398440ce1eac4aabf476f36efd2facf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.01236",
    "kind": "arxiv",
    "version": 1
  }
}