Pith Number

pith:6SEIPU2F

pith:2017:6SEIPU2FNBBIBSO6QHIYGGUN3L

not attested not anchored not stored refs pending

A User's Guide: Relative Thom Spectra via Operadic Kan Extensions

Jonathan Beardsley

arxiv:1709.07543 v1 · 2017-09-21 · 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{6SEIPU2FNBBIBSO6QHIYGGUN3L}

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	2026-05-18T00:34:32.897836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f48887d345684280c9de81d1831a8ddac234a5342f058828fbef1e2dc25692a5

Aliases

arxiv: 1709.07543 · arxiv_version: 1709.07543v1 · doi: 10.48550/arxiv.1709.07543 · pith_short_12: 6SEIPU2FNBBI · pith_short_16: 6SEIPU2FNBBIBSO6 · pith_short_8: 6SEIPU2F

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/6SEIPU2FNBBIBSO6QHIYGGUN3L \
  | 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: f48887d345684280c9de81d1831a8ddac234a5342f058828fbef1e2dc25692a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39a60c2156e95c6cdcc2d4f0541ec1b8b7cb761b8271960d7f5f66c64a141da7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-09-21T23:34:32Z",
    "title_canon_sha256": "bd6413f5a7e75063b0c4dc6f335d3db813e280e4f49d632139c090b0cce474d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.07543",
    "kind": "arxiv",
    "version": 1
  }
}