Pith Number

pith:A73KF2UF

pith:2015:A73KF2UFCEQ4V3WDNDXIPZB5CJ

not attested not anchored not stored refs pending

On the Bott periodicity, $\mathcal{A}$-annihilated classes in $H_*QX$, and the stable symmetric hit problem

Hadi Zare

arxiv:1507.01034 v2 · 2015-07-03 · 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{A73KF2UFCEQ4V3WDNDXIPZB5CJ}

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	2026-05-18T01:09:07.001870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07f6a2ea851121caeec368ee87e43d12448acaa756f802e9757a6c4811bb0fa5

Aliases

arxiv: 1507.01034 · arxiv_version: 1507.01034v2 · doi: 10.48550/arxiv.1507.01034 · pith_short_12: A73KF2UFCEQ4 · pith_short_16: A73KF2UFCEQ4V3WD · pith_short_8: A73KF2UF

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/A73KF2UFCEQ4V3WDNDXIPZB5CJ \
  | 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: 07f6a2ea851121caeec368ee87e43d12448acaa756f802e9757a6c4811bb0fa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1999517b749f9b223018cd18e62b0bed3af4a00562af1ab1409e7d34fc76b18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2015-07-03T21:38:05Z",
    "title_canon_sha256": "80fdc37ff7e1e2b2f8d13d843a067d33ab5113b533fd1152c82c72bf8098a8cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01034",
    "kind": "arxiv",
    "version": 2
  }
}