Pith Number

pith:QVLIQ4KD

pith:2020:QVLIQ4KDX2PCOB5AVVGXPDID2G

not attested not anchored not stored refs pending

An efficient GFET structure

Giovanni Nastasi, Vittorio Romano

arxiv:2002.07067 v1 · 2020-02-13 · physics.app-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{QVLIQ4KDX2PCOB5AVVGXPDID2G}

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	2026-07-05T03:10:24.519272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8556887143be9e2707a0ad4d778d03d1ae194f281624c433b2025348254d421a

Aliases

arxiv: 2002.07067 · arxiv_version: 2002.07067v1 · doi: 10.48550/arxiv.2002.07067 · pith_short_12: QVLIQ4KDX2PC · pith_short_16: QVLIQ4KDX2PCOB5A · pith_short_8: QVLIQ4KD

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/QVLIQ4KDX2PCOB5AVVGXPDID2G \
  | 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: 8556887143be9e2707a0ad4d778d03d1ae194f281624c433b2025348254d421a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86c3fa6e9b794782708d93a9001753b5bcdb774f25bbd4b7c8b9b2281057464a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2020-02-13T18:42:47Z",
    "title_canon_sha256": "8f9da17b6e5d40c393cc9c11cb6a9f0a0f244e4ab35d696932b9d010d0c0afa6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.07067",
    "kind": "arxiv",
    "version": 1
  }
}