Pith Number

pith:B7E6GWK7

pith:2011:B7E6GWK7PJF7VP6UHESZR5GFF4

not attested not anchored not stored refs pending

The Fabra-ROA Telescope at Montsec (TFRM): A Fully Robotic Wide-field Telescope for Space Surveillance and Tracking

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

arxiv:1109.5918 v1 · 2011-09-27 · astro-ph.EP · astro-ph.GA · astro-ph.HE · astro-ph.IM · 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{B7E6GWK7PJF7VP6UHESZR5GFF4}

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	2026-05-18T04:12:11.015441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fc9e3595f7a4bfabfd4392598f4c52f37da39c078fafb27217e3047a826a575

Aliases

arxiv: 1109.5918 · arxiv_version: 1109.5918v1 · doi: 10.48550/arxiv.1109.5918 · pith_short_12: B7E6GWK7PJF7 · pith_short_16: B7E6GWK7PJF7VP6U · pith_short_8: B7E6GWK7

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/B7E6GWK7PJF7VP6UHESZR5GFF4 \
  | 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: 0fc9e3595f7a4bfabfd4392598f4c52f37da39c078fafb27217e3047a826a575

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9081f5ca85514381f7e1f4ea5a2e615a11e075413a733779387393f074e3f5e",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE",
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-09-27T14:51:24Z",
    "title_canon_sha256": "ae6aa71c7e91004bd9a449f85cd0695a2117c844cb42b64f71edb976cf3dd700"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5918",
    "kind": "arxiv",
    "version": 1
  }
}