Pith Number

pith:JJ7HPZ26

pith:2013:JJ7HPZ26TW3DMV7H2IHL44PIEN

not attested not anchored not stored refs pending

On phi-Recurrent Contact Metric Manifolds

A. Tayebi, E. Peyghan, H. Nasrabadi

arxiv:1302.4428 v1 · 2013-02-16 · 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{JJ7HPZ26TW3DMV7H2IHL44PIEN}

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	2026-05-18T03:33:13.285037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a7e77e75e9db63657e7d20ebe71e823455bd1bf06da7c9100da29ebd3cf2c8e

Aliases

arxiv: 1302.4428 · arxiv_version: 1302.4428v1 · doi: 10.48550/arxiv.1302.4428 · pith_short_12: JJ7HPZ26TW3D · pith_short_16: JJ7HPZ26TW3DMV7H · pith_short_8: JJ7HPZ26

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/JJ7HPZ26TW3DMV7H2IHL44PIEN \
  | 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: 4a7e77e75e9db63657e7d20ebe71e823455bd1bf06da7c9100da29ebd3cf2c8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae26ca32758fc9a0231b53251b8a58a1e70240178fb0c8d8cdefb3b7455434dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-02-16T05:08:25Z",
    "title_canon_sha256": "048127d03b546b9be07aa2c917b0200f722e40e20f0bdaed2b198cc8197232ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4428",
    "kind": "arxiv",
    "version": 1
  }
}