Pith Number

pith:PQ3XGDP6

pith:2016:PQ3XGDP6CEKJQXQTWIHU5AXQOE

not attested not anchored not stored refs pending

Galactic Shapiro Delay to the Crab Pulsar and limit on Einstein's Equivalence Principle Violation

Emre O. Kahya, Shantanu Desai

arxiv:1612.02532 v4 · 2016-12-08 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQ3XGDP6CEKJQXQTWIHU5AXQOE}

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	2026-05-18T00:24:43.131089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c37730dfe1114985e13b20f4e82f0713189b94dc1bdc41b50e429a1fdd5a622

Aliases

arxiv: 1612.02532 · arxiv_version: 1612.02532v4 · doi: 10.48550/arxiv.1612.02532 · pith_short_12: PQ3XGDP6CEKJ · pith_short_16: PQ3XGDP6CEKJQXQT · pith_short_8: PQ3XGDP6

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/PQ3XGDP6CEKJQXQTWIHU5AXQOE \
  | 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: 7c37730dfe1114985e13b20f4e82f0713189b94dc1bdc41b50e429a1fdd5a622

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80b6e3327ac73a3cab162774777371f4361419fa36a49eb3baf9d0e9d840e038",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-12-08T05:28:22Z",
    "title_canon_sha256": "60c5f2767d2900653b9e2d78149260019a2d1e17733155ce223251902f8e6be6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.02532",
    "kind": "arxiv",
    "version": 4
  }
}