Pith Number

pith:KQBRO7F6

pith:2026:KQBRO7F6Y4LONFBQAEVOM62MH2

not attested not anchored not stored refs pending

Bad Foundations and Manipulable Objects

Eduardo Ochs

arxiv:2602.16026 v2 · 2026-02-17 · math.HO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KQBRO7F6Y4LONFBQAEVOM62MH2}

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	2026-07-29T00:24:36.578167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5403177cbec716e69430012ae67b4c3ebb64be9ecc58da715b656d4400cadd0e

Aliases

arxiv: 2602.16026 · arxiv_version: 2602.16026v2 · doi: 10.48550/arxiv.2602.16026 · pith_short_12: KQBRO7F6Y4LO · pith_short_16: KQBRO7F6Y4LONFBQ · pith_short_8: KQBRO7F6

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/KQBRO7F6Y4LONFBQAEVOM62MH2 \
  | 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: 5403177cbec716e69430012ae67b4c3ebb64be9ecc58da715b656d4400cadd0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d101e270c2540b83f5cde9a0f9f84cd2fcdb00984e259a186ac5b7d4aaf180c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2026-02-17T21:24:58Z",
    "title_canon_sha256": "0ce1443d254ae3354347cd9391870bd1a99662cec545cf6bc7372109c3771cb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.16026",
    "kind": "arxiv",
    "version": 2
  }
}