Pith Number

pith:SQXDF4X6

pith:2016:SQXDF4X6H5NHTWWWGQTPAKBMCO

not attested not anchored not stored refs pending

A possible symplectic framework for Radon-type transforms

Michel Cahen, Simone Gutt, Thibaut Grouy

arxiv:1603.07956 v1 · 2016-03-25 · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SQXDF4X6H5NHTWWWGQTPAKBMCO}

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	2026-05-18T01:00:39.510978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

942e32f2fe3f5a79dad63426f0282c139db075a1629229753a38855f0aaac18e

Aliases

arxiv: 1603.07956 · arxiv_version: 1603.07956v1 · doi: 10.48550/arxiv.1603.07956 · pith_short_12: SQXDF4X6H5NH · pith_short_16: SQXDF4X6H5NHTWWW · pith_short_8: SQXDF4X6

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/SQXDF4X6H5NHTWWWGQTPAKBMCO \
  | 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: 942e32f2fe3f5a79dad63426f0282c139db075a1629229753a38855f0aaac18e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9323a5301ba0bfb0bb01dff8a8cae2956f364f831b30fcf9019d4b7f95856fb7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2016-03-25T16:40:49Z",
    "title_canon_sha256": "102c429f4076eada3e6284638e367058adda4b3556e6e308012d1d6a9a6d29dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.07956",
    "kind": "arxiv",
    "version": 1
  }
}