Pith Number

pith:HOCTTSRY

pith:2018:HOCTTSRYWHXUCTZGTWB7RGZS24

not attested not anchored not stored refs pending

How strict is strictification?

Alexander Campbell

arxiv:1802.07538 v3 · 2018-02-21 · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HOCTTSRYWHXUCTZGTWB7RGZS24}

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	2026-05-17T23:54:48.562860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b8539ca38b1ef414f269d83f89b32d7013c10b1be85b52c6ef6c3c316b6d320

Aliases

arxiv: 1802.07538 · arxiv_version: 1802.07538v3 · doi: 10.48550/arxiv.1802.07538 · pith_short_12: HOCTTSRYWHXU · pith_short_16: HOCTTSRYWHXUCTZG · pith_short_8: HOCTTSRY

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/HOCTTSRYWHXUCTZGTWB7RGZS24 \
  | 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: 3b8539ca38b1ef414f269d83f89b32d7013c10b1be85b52c6ef6c3c316b6d320

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc8f949b7b8f38a00296b6b21d18c645f85b4b34e47245f208b4f1257fcdbdcc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2018-02-21T12:22:38Z",
    "title_canon_sha256": "1b19a7cdeee882414e62a2f21d9760770ea6d2c5b9a08767cbb4086b7f19498a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07538",
    "kind": "arxiv",
    "version": 3
  }
}