Pith Number

pith:YSD5OSLN

pith:2012:YSD5OSLNJAJQFPG5T6IEDNPASR

not attested not anchored not stored refs pending

Detailed study of the X-ray and Optical/UV orbital ephemeris of X1822-371

A. D'Ai, A. Papitto, A. Riggio, L. Burderi, N. R. Robba, R. Iaria, T. Di Salvo

arxiv:1207.3226 v1 · 2012-07-13 · 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{YSD5OSLNJAJQFPG5T6IEDNPASR}

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	2026-05-18T03:51:03.062228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c487d7496d481302bcdd9f9041b5e0946a32c6271844528e19597711421a9a76

Aliases

arxiv: 1207.3226 · arxiv_version: 1207.3226v1 · doi: 10.48550/arxiv.1207.3226 · pith_short_12: YSD5OSLNJAJQ · pith_short_16: YSD5OSLNJAJQFPG5 · pith_short_8: YSD5OSLN

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/YSD5OSLNJAJQFPG5T6IEDNPASR \
  | 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: c487d7496d481302bcdd9f9041b5e0946a32c6271844528e19597711421a9a76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84f1cd6fc8abf9ef92b7642653bb8d74eacd288061c1baa548adeabbb24774db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-07-13T13:08:37Z",
    "title_canon_sha256": "8c5eeba66833fba5a389d0b25b556cc78d8ef8ddd24b92a748a9d964e2fb9fd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3226",
    "kind": "arxiv",
    "version": 1
  }
}