Pith Number

pith:6EROJBMJ

pith:2017:6EROJBMJJUQ7GXEXA6O22JNS3F

not attested not anchored not stored refs pending

Representations of abstract copolarity one and two

Carolin Pomrehn, Francesco Panelli

arxiv:1704.08985 v1 · 2017-04-28 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6EROJBMJJUQ7GXEXA6O22JNS3F}

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	2026-05-18T00:45:24.747414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f122e485894d21f35c97079dad25b2d94fb184db86238e7cc433effeb07e5a31

Aliases

arxiv: 1704.08985 · arxiv_version: 1704.08985v1 · doi: 10.48550/arxiv.1704.08985 · pith_short_12: 6EROJBMJJUQ7 · pith_short_16: 6EROJBMJJUQ7GXEX · pith_short_8: 6EROJBMJ

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/6EROJBMJJUQ7GXEXA6O22JNS3F \
  | 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: f122e485894d21f35c97079dad25b2d94fb184db86238e7cc433effeb07e5a31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d2a5f15c76dec70b7d1d62c26055f0f948267d869a5a35445640953bdb1d87a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-04-28T15:43:25Z",
    "title_canon_sha256": "c98155406af0b7bb89d0d9336d6528d88183e91a757e4c5a447fb571da360030"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08985",
    "kind": "arxiv",
    "version": 1
  }
}