Pith Number

pith:3FQSKRPM

pith:2018:3FQSKRPMGOTJYD7QHSA4426JWR

not attested not anchored not stored refs pending

First-order differential equations for a particle with spin $S = 1$

B. E. Grinyuk

arxiv:1801.08414 v1 · 2018-01-25 · quant-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{3FQSKRPMGOTJYD7QHSA4426JWR}

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	2026-05-18T00:25:06.361254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9612545ec33a69c0ff03c81ce6bc9b46ca29c7428dd9573e290a1709a87d13a

Aliases

arxiv: 1801.08414 · arxiv_version: 1801.08414v1 · doi: 10.48550/arxiv.1801.08414 · pith_short_12: 3FQSKRPMGOTJ · pith_short_16: 3FQSKRPMGOTJYD7Q · pith_short_8: 3FQSKRPM

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/3FQSKRPMGOTJYD7QHSA4426JWR \
  | 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: d9612545ec33a69c0ff03c81ce6bc9b46ca29c7428dd9573e290a1709a87d13a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "403a099873014f97eea13c5f3aac58d446d16872045d98e1e585a7df39c34518",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-01-25T14:34:00Z",
    "title_canon_sha256": "ddac5c959bc656079912bc846b39685b4b50b778d93d872339024715261709d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08414",
    "kind": "arxiv",
    "version": 1
  }
}