Pith Number

pith:RE4BPQTS

pith:2018:RE4BPQTSGD75XGUAGBJBIYL5EB

not attested not anchored not stored refs pending

Transfer of A-infinity structures to projective resolutions

Jesse Burke

arxiv:1801.08933 v1 · 2018-01-26 · math.KT · math.AC · 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{RE4BPQTSGD75XGUAGBJBIYL5EB}

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	2026-05-18T00:25:02.645647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

893817c27230ffdb9a80305214617d204ab315f870925344b39ff56f322f896c

Aliases

arxiv: 1801.08933 · arxiv_version: 1801.08933v1 · doi: 10.48550/arxiv.1801.08933 · pith_short_12: RE4BPQTSGD75 · pith_short_16: RE4BPQTSGD75XGUA · pith_short_8: RE4BPQTS

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/RE4BPQTSGD75XGUAGBJBIYL5EB \
  | 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: 893817c27230ffdb9a80305214617d204ab315f870925344b39ff56f322f896c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7eaeb5e00325e9d9b2aeabf84b75b5a42197fc96b3736b30fd61adfe5f0eaef2",
    "cross_cats_sorted": [
      "math.AC",
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2018-01-26T18:55:11Z",
    "title_canon_sha256": "66950ea2c87dbb0d25f6965e86403207c13af6c7c73df8ec298d4055e77e5a8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08933",
    "kind": "arxiv",
    "version": 1
  }
}