Pith Number

pith:FVRTRZHF

pith:2017:FVRTRZHFV2GPA4PGTBRBX4UIIN

not attested not anchored not stored refs pending

A simple shearlet-based reconstruction for computer tomography

Daniel Vera, Santiago C\'ordova

arxiv:1707.08185 v2 · 2017-07-25 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FVRTRZHFV2GPA4PGTBRBX4UIIN}

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	2026-05-18T00:16:36.877032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d6338e4e5ae8cf071e698621bf2884356a94575a15e240f58cb0bf0125fb081

Aliases

arxiv: 1707.08185 · arxiv_version: 1707.08185v2 · doi: 10.48550/arxiv.1707.08185 · pith_short_12: FVRTRZHFV2GP · pith_short_16: FVRTRZHFV2GPA4PG · pith_short_8: FVRTRZHF

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/FVRTRZHFV2GPA4PGTBRBX4UIIN \
  | 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: 2d6338e4e5ae8cf071e698621bf2884356a94575a15e240f58cb0bf0125fb081

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d24d09384ad035e76a55dbf1f0edad2efc5b06e9915b46d56d1d3382e683c1c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-07-25T19:41:47Z",
    "title_canon_sha256": "032b8ff2a3709f689be26005617705bda63b5f8a223eb8f7472c0e97e0a04d96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.08185",
    "kind": "arxiv",
    "version": 2
  }
}