Pith Number

pith:EXDVFPRJ

pith:2019:EXDVFPRJJ63YV4XVKF7SEBXLZ3

not attested not anchored not stored refs pending

Precise optical timing of PSR J1023+0038, the first millisecond pulsar detected with Aqueye+ in Asiago

Aleksandr Burtovoi, Alessandro Papitto, Alessia Spolon, Cesare Barbieri, Filippo Ambrosino, Giampiero Naletto, Luca Zampieri, Michele Fiori

arxiv:1903.08930 v1 · 2019-03-21 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EXDVFPRJJ63YV4XVKF7SEBXLZ3}

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	2026-05-17T23:49:01.426799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25c752be294fb78af2f5517f2206ebcee6d7f2aed510781fccdde060ea26c825

Aliases

arxiv: 1903.08930 · arxiv_version: 1903.08930v1 · doi: 10.48550/arxiv.1903.08930 · pith_short_12: EXDVFPRJJ63Y · pith_short_16: EXDVFPRJJ63YV4XV · pith_short_8: EXDVFPRJ

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/EXDVFPRJJ63YV4XVKF7SEBXLZ3 \
  | 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: 25c752be294fb78af2f5517f2206ebcee6d7f2aed510781fccdde060ea26c825

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb1df41d33185739fb97719ad3c0379db5c92cc07ca514a74a6c0c74c5d4c601",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-03-21T11:30:26Z",
    "title_canon_sha256": "9085c23c877361da363ea6744a0540c250a9adef93b7d845ec207121913f1360"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08930",
    "kind": "arxiv",
    "version": 1
  }
}