Pith Number

pith:RFJRXKAA

pith:2017:RFJRXKAAXTC2DW23GDJFOCXL27

not attested not anchored not stored refs pending

Skew-enriched categories

Alexander Campbell

arxiv:1709.01222 v3 · 2017-09-05 · 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{RFJRXKAAXTC2DW23GDJFOCXL27}

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	2026-05-18T00:03:56.860394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89531ba800bcc5a1db5b30d2570aebd7fe770eea1ce4b9d73528ea99e289dda8

Aliases

arxiv: 1709.01222 · arxiv_version: 1709.01222v3 · doi: 10.48550/arxiv.1709.01222 · pith_short_12: RFJRXKAAXTC2 · pith_short_16: RFJRXKAAXTC2DW23 · pith_short_8: RFJRXKAA

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/RFJRXKAAXTC2DW23GDJFOCXL27 \
  | 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: 89531ba800bcc5a1db5b30d2570aebd7fe770eea1ce4b9d73528ea99e289dda8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bff0f12e4b9f1715e3c89da184bab4417b7c04034970aff442feac9b9a434b9b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2017-09-05T03:08:22Z",
    "title_canon_sha256": "9e29cd78f49b3a353968466b725eba8b6aca9bf0c93a7b5860447299ecc20916"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01222",
    "kind": "arxiv",
    "version": 3
  }
}