Pith Number

pith:6KJIPRXN

pith:2019:6KJIPRXN4MF7PWFNHOWOFUZ6GK

not attested not anchored not stored refs pending

Spin in gravitational and electromagnetic fields

Yuri N. Obukhov

arxiv:1904.00181 v1 · 2019-03-30 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6KJIPRXN4MF7PWFNHOWOFUZ6GK}

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	2026-05-17T23:49:49.191594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f29287c6ede30bf7d8ad3bace2d33e32ababfd04d02e6d58c2344ef30f915fed

Aliases

arxiv: 1904.00181 · arxiv_version: 1904.00181v1 · doi: 10.48550/arxiv.1904.00181 · pith_short_12: 6KJIPRXN4MF7 · pith_short_16: 6KJIPRXN4MF7PWFN · pith_short_8: 6KJIPRXN

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/6KJIPRXN4MF7PWFNHOWOFUZ6GK \
  | 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: f29287c6ede30bf7d8ad3bace2d33e32ababfd04d02e6d58c2344ef30f915fed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cd60a64ab85e32eaa0667561e12fb78af5c5313fb09245363bdfb9adb89a483",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-03-30T09:40:19Z",
    "title_canon_sha256": "607a8a09e3af6373a9c30aeaa9557878142c519fe4afd5a57c0cf5574d74ed27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.00181",
    "kind": "arxiv",
    "version": 1
  }
}