Pith Number

pith:GTFS4PXV

pith:2016:GTFS4PXVZ4EHDA7IQEJ4IY7BDT

not attested not anchored not stored refs pending

Bars and spheroids in gravimetry problem

Vadim Evseev, Valery Sizikov

arxiv:1604.06927 v1 · 2016-04-23 · math.NA · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GTFS4PXVZ4EHDA7IQEJ4IY7BDT}

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	2026-05-18T01:16:23.570535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34cb2e3ef5cf087183e88113c463e11ccc99977f4ec26598652388880d278924

Aliases

arxiv: 1604.06927 · arxiv_version: 1604.06927v1 · doi: 10.48550/arxiv.1604.06927 · pith_short_12: GTFS4PXVZ4EH · pith_short_16: GTFS4PXVZ4EHDA7I · pith_short_8: GTFS4PXV

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/GTFS4PXVZ4EHDA7IQEJ4IY7BDT \
  | 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: 34cb2e3ef5cf087183e88113c463e11ccc99977f4ec26598652388880d278924

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fa32c1ba55fab33f0222aa1cba060d1575203f5f0a2eea6122bdefccfecceab",
    "cross_cats_sorted": [
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-04-23T17:10:01Z",
    "title_canon_sha256": "dc3371e9c531094b074009154f26c330fa471fec6fdca095315aa4f58d99a3d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.06927",
    "kind": "arxiv",
    "version": 1
  }
}