Pith Number

pith:2GCBQHHX

pith:2017:2GCBQHHXEPKSGX45C3DMOEHWGB

not attested not anchored not stored refs pending

Penrose-like inequality with angular momentum for minimal surfaces

Pablo Anglada

arxiv:1708.04646 v2 · 2017-08-15 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2GCBQHHXEPKSGX45C3DMOEHWGB}

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	2026-05-18T00:25:07.558208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d184181cf723d5235f9d16c6c710f63077333a5b98801a96b0494a1a3b70b8ce

Aliases

arxiv: 1708.04646 · arxiv_version: 1708.04646v2 · doi: 10.48550/arxiv.1708.04646 · pith_short_12: 2GCBQHHXEPKS · pith_short_16: 2GCBQHHXEPKSGX45 · pith_short_8: 2GCBQHHX

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/2GCBQHHXEPKSGX45C3DMOEHWGB \
  | 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: d184181cf723d5235f9d16c6c710f63077333a5b98801a96b0494a1a3b70b8ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcdce7db06575955eb6af28e1a2d5c35997ce54fd80f70eb1c17d8851a170bc9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-08-15T18:55:16Z",
    "title_canon_sha256": "6f9844edfd0aa749794b32eccd3f8568575c5b693c38e181248e5967231c4624"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.04646",
    "kind": "arxiv",
    "version": 2
  }
}