Pith Number

pith:ADDSV4JC

pith:2016:ADDSV4JCHARUVJ6UUQXHFFR35L

not attested not anchored not stored refs pending

Are there two types of pulsars?

Ioannis Contopoulos

arxiv:1606.00162 v2 · 2016-06-01 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ADDSV4JCHARUVJ6UUQXHFFR35L}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:03:49.664791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00c72af12238234aa7d4a42e72963bead734894996a04d164546dd820312d1d2

Aliases

arxiv: 1606.00162 · arxiv_version: 1606.00162v2 · doi: 10.48550/arxiv.1606.00162 · pith_short_12: ADDSV4JCHARU · pith_short_16: ADDSV4JCHARUVJ6U · pith_short_8: ADDSV4JC

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/ADDSV4JCHARUVJ6UUQXHFFR35L \
  | 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: 00c72af12238234aa7d4a42e72963bead734894996a04d164546dd820312d1d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cec76c0799e3917f39cd38f6beb4727908940d5452b98258e2a1bfc87ffbb7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-06-01T08:21:28Z",
    "title_canon_sha256": "85218822d501254f81d1be3d3def949c687dc4c7ef130470313ac76af744e145"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.00162",
    "kind": "arxiv",
    "version": 2
  }
}