Pith Number

pith:TECXP2ST

pith:2009:TECXP2STQ3QO5E3QG3OXJKUDQK

not attested not anchored not stored refs pending

Robotic Astronomy with the Faulkes Telescopes and Las Cumbres Observatory Global Telescope

David M. Russell, Fraser Lewis, Paul Roche, Rachel Street, Vanessa Stroud

arxiv:0912.0823 v1 · 2009-12-04 · astro-ph.IM · 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{TECXP2STQ3QO5E3QG3OXJKUDQK}

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	2026-05-18T02:10:26.553614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

990577ea5386e0ee937036dd74aa8382b4019fc491aa403061dcf7dfacd5794d

Aliases

arxiv: 0912.0823 · arxiv_version: 0912.0823v1 · doi: 10.48550/arxiv.0912.0823 · pith_short_12: TECXP2STQ3QO · pith_short_16: TECXP2STQ3QO5E3Q · pith_short_8: TECXP2ST

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/TECXP2STQ3QO5E3QG3OXJKUDQK \
  | 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: 990577ea5386e0ee937036dd74aa8382b4019fc491aa403061dcf7dfacd5794d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe6809add82ef6ecf334ac050f0db0e431c6a4b7ba4429974b4da249fa66d886",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-12-04T11:42:28Z",
    "title_canon_sha256": "564eed83dcfa175ead954cb4abb6640aa39e26d7ca813102ecaa931d07256a48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0823",
    "kind": "arxiv",
    "version": 1
  }
}