Pith Number

pith:YT5WEUTM

pith:2015:YT5WEUTMSYY3PQ3DBXDBFHVJR3

not attested not anchored not stored refs pending

Photon propagator in skewon electrodynamics

Yakov Itin

arxiv:1511.01840 v1 · 2015-11-05 · 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{YT5WEUTMSYY3PQ3DBXDBFHVJR3}

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	2026-05-18T00:46:21.190888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4fb62526c9631b7c3630dc6129ea98edc768ee35b51d40f0dbe5eac0cb460b2

Aliases

arxiv: 1511.01840 · arxiv_version: 1511.01840v1 · doi: 10.48550/arxiv.1511.01840 · pith_short_12: YT5WEUTMSYY3 · pith_short_16: YT5WEUTMSYY3PQ3D · pith_short_8: YT5WEUTM

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/YT5WEUTMSYY3PQ3DBXDBFHVJR3 \
  | 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: c4fb62526c9631b7c3630dc6129ea98edc768ee35b51d40f0dbe5eac0cb460b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae4192748fd831e87b8842f2fadb915557996c72ebf35ad3a4346f3bb261c95e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-11-05T18:08:19Z",
    "title_canon_sha256": "c1b27e613d42d01d9c9eb518b178f0f6694c427d3397e8bb444d00b53eb895de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01840",
    "kind": "arxiv",
    "version": 1
  }
}