Pith Number

pith:SXEJCKTM

pith:2018:SXEJCKTM37ELRTUAAK7N5R3YJT

not attested not anchored not stored refs pending

Two-numbers and their applications - A survey

Bang-Yen Chen

arxiv:1805.04796 v1 · 2018-05-12 · math.DG · math.AT · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SXEJCKTM37ELRTUAAK7N5R3YJT}

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	2026-05-18T00:16:04.570502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95c8912a6cdfc8b8ce8002bedec7784cfa25193721707715c14b70493d4e8c88

Aliases

arxiv: 1805.04796 · arxiv_version: 1805.04796v1 · doi: 10.48550/arxiv.1805.04796 · pith_short_12: SXEJCKTM37EL · pith_short_16: SXEJCKTM37ELRTUA · pith_short_8: SXEJCKTM

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/SXEJCKTM37ELRTUAAK7N5R3YJT \
  | 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: 95c8912a6cdfc8b8ce8002bedec7784cfa25193721707715c14b70493d4e8c88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1d38b2c34b8f0b6f007f1c323123c6ec61dc13ca9d00590c96a83e79674495e",
    "cross_cats_sorted": [
      "math.AT",
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-05-12T22:26:25Z",
    "title_canon_sha256": "a5d4d88614e7a6631a0acca75336088fc19bd5b265ce66574b1134fe10a56f0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04796",
    "kind": "arxiv",
    "version": 1
  }
}