Pith Number

pith:BJUKFPJ7

pith:2015:BJUKFPJ77KY74ZHZITRNIBL757

not attested not anchored not stored refs pending

Braking index of isolated pulsars: open questions and ways forward

Oliver Hamil

arxiv:1503.09110 v1 · 2015-03-31 · 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{BJUKFPJ77KY74ZHZITRNIBL757}

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	2026-05-18T02:19:51.400048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a68a2bd3ffab1fe64f944e2d4057feff94dd1e89de4fa15cdd5f90e61982239

Aliases

arxiv: 1503.09110 · arxiv_version: 1503.09110v1 · doi: 10.48550/arxiv.1503.09110 · pith_short_12: BJUKFPJ77KY7 · pith_short_16: BJUKFPJ77KY74ZHZ · pith_short_8: BJUKFPJ7

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/BJUKFPJ77KY74ZHZITRNIBL757 \
  | 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: 0a68a2bd3ffab1fe64f944e2d4057feff94dd1e89de4fa15cdd5f90e61982239

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5540f5737360b34eff774f8e97921f0b69acfaf2807c46c7750c7cd9c5d930d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-03-31T16:21:41Z",
    "title_canon_sha256": "5a59d8cde6285b35b30b362f2cc7048f7aefc434ede291d2210d7a511f895c2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.09110",
    "kind": "arxiv",
    "version": 1
  }
}