Pith Number

pith:NYWF3S2R

pith:2011:NYWF3S2R46LB25DASEPPSRISUT

not attested not anchored not stored refs pending

Status of Telescope Fabra ROA at Montsec: Optical Observations for Space Surveillance & Tracking

F.J. Montojo, J. Boloix, J.L. Muinos, J. Nunez, M. Merino, O.Fors, R. Baena, R. Morcillo

arxiv:1109.5903 v1 · 2011-09-27 · astro-ph.EP · astro-ph.GA · astro-ph.HE · 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	2026-05-18T04:12:11.035535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e2c5dcb51e7961d7460911ef94512a4d3b334099c4af8aaf4c4f9b95d9f3428

Aliases

arxiv: 1109.5903 · arxiv_version: 1109.5903v1 · doi: 10.48550/arxiv.1109.5903 · pith_short_12: NYWF3S2R46LB · pith_short_16: NYWF3S2R46LB25DA · pith_short_8: NYWF3S2R

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/NYWF3S2R46LB25DASEPPSRISUT \
  | 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: 6e2c5dcb51e7961d7460911ef94512a4d3b334099c4af8aaf4c4f9b95d9f3428

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a7a3f10a38a125e98fc4e5ecaef0c9e17aec7651223752f3452f6f42cd28d44",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-09-27T14:16:26Z",
    "title_canon_sha256": "1e1f706681aa72ae106209f1b08ba03a2b0ec7b8c1da294f6c7331ed3dc25d12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5903",
    "kind": "arxiv",
    "version": 1
  }
}