Pith Number

pith:DQYDEIBV

pith:2016:DQYDEIBVNHTU5GUZCLSAHGNINT

not attested not anchored not stored refs pending

Topologically nontrivial solution in Einstein-Dirac gravity on the Hopf bundle

Vladimir Dzhunushaliev

arxiv:1612.07149 v1 · 2016-12-17 · physics.gen-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{DQYDEIBVNHTU5GUZCLSAHGNINT}

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	2026-05-18T00:54:14.571463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c3032203569e74e9a9912e40399a86cc868ed24ee963fac92a689bdb3c10338

Aliases

arxiv: 1612.07149 · arxiv_version: 1612.07149v1 · doi: 10.48550/arxiv.1612.07149 · pith_short_12: DQYDEIBVNHTU · pith_short_16: DQYDEIBVNHTU5GUZ · pith_short_8: DQYDEIBV

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/DQYDEIBVNHTU5GUZCLSAHGNINT \
  | 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: 1c3032203569e74e9a9912e40399a86cc868ed24ee963fac92a689bdb3c10338

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acf62eccdfaf9942dce186c9fea3d002d5ef7849eaf0fa6b70d4658cde12a80d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2016-12-17T08:05:38Z",
    "title_canon_sha256": "d419f3be5b2d89fce9c368d86eb93457f9bad3a445eafced965f71f4a2118739"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07149",
    "kind": "arxiv",
    "version": 1
  }
}