Pith Number

pith:PSE2SYIN

pith:2015:PSE2SYINGQ36VUGVACLEDAJE3B

not attested not anchored not stored refs pending

An expanded X-ray beam facility (BEaTriX) to test the modular elements of the ATHENA optics

C. Ferrari, C. Pelliciari, D. Spiga, E. Bonnini, E. Buffagni, G. Pareschi, G. Tagliaferri

arxiv:1509.04770 v1 · 2015-09-15 · 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	2026-05-18T01:32:51.755984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c89a9610d3437ead0d50096418124d8566a3807c32026772e3950c005d9e44f

Aliases

arxiv: 1509.04770 · arxiv_version: 1509.04770v1 · doi: 10.48550/arxiv.1509.04770 · pith_short_12: PSE2SYINGQ36 · pith_short_16: PSE2SYINGQ36VUGV · pith_short_8: PSE2SYIN

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/PSE2SYINGQ36VUGVACLEDAJE3B \
  | 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: 7c89a9610d3437ead0d50096418124d8566a3807c32026772e3950c005d9e44f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b83a9583976e4aae3408898fa0449bbd96a96b08c623d6adf343c72cae8d9a1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-09-15T23:49:15Z",
    "title_canon_sha256": "a7dca7b6a1988c51fcc03f81f4fde473ff9ef2afc67c903ff75086af8b05b27f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04770",
    "kind": "arxiv",
    "version": 1
  }
}