Pith Number

pith:MHWKMX7L

pith:2018:MHWKMX7LORMJ7PEYKIDIGKRXKT

not attested not anchored not stored refs pending

Advances in our understanding of the free precession candidate PSR B1828-11

David Ian Jones, Gregory Ashton, Reinhard Prix

arxiv:1801.03990 v1 · 2018-01-10 · 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{MHWKMX7LORMJ7PEYKIDIGKRXKT}

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	2026-05-18T00:07:40.968925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61eca65feb74589fbc985206832a3754c3a84d467e5ae4152cb538d40c92d20d

Aliases

arxiv: 1801.03990 · arxiv_version: 1801.03990v1 · doi: 10.48550/arxiv.1801.03990 · pith_short_12: MHWKMX7LORMJ · pith_short_16: MHWKMX7LORMJ7PEY · pith_short_8: MHWKMX7L

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/MHWKMX7LORMJ7PEYKIDIGKRXKT \
  | 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: 61eca65feb74589fbc985206832a3754c3a84d467e5ae4152cb538d40c92d20d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74e15c21148a54ba31618ce93932f5b622d2812d92e7327ae0542c35699d0d88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-01-10T14:36:25Z",
    "title_canon_sha256": "42613224d2dd6c476d4dace37ada7e3777cf26ed94fdb8f31ed85b5f5d0ba824"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.03990",
    "kind": "arxiv",
    "version": 1
  }
}