Pith Number

pith:CP2JFCFN

pith:2018:CP2JFCFNUU5IUDP2BWIP6HJCYN

not attested not anchored not stored refs pending

SAMplus: adaptive optics at optical wavelengths for SOAR

A. Mello, A. Tokovinin, B. C. Quint, D. Andrade, D. M. Faes, J. B. Santos, M. Domingues, T. Vieira

arxiv:1806.06742 v1 · 2018-06-18 · astro-ph.IM

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

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	2026-05-18T00:07:17.304158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13f49288ada53a8a0dfa0d90ff1d22c3707b1d7ef6682f60b5f28767b5070586

Aliases

arxiv: 1806.06742 · arxiv_version: 1806.06742v1 · doi: 10.48550/arxiv.1806.06742 · pith_short_12: CP2JFCFNUU5I · pith_short_16: CP2JFCFNUU5IUDP2 · pith_short_8: CP2JFCFN

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/CP2JFCFNUU5IUDP2BWIP6HJCYN \
  | 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: 13f49288ada53a8a0dfa0d90ff1d22c3707b1d7ef6682f60b5f28767b5070586

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c65afeb98958135e34fca4f53db2297bb5ffd7fae6cff0a710ff81566bad023e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-06-18T14:48:56Z",
    "title_canon_sha256": "029ce0e317d70cd597afaa849f625a2e5afe401f5ea396ede60989439ffed428"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06742",
    "kind": "arxiv",
    "version": 1
  }
}