Pith Number

pith:TQ4PHNUC

pith:2015:TQ4PHNUC6VOVB24G7FFVBECJEE

not attested not anchored not stored refs pending

The Jay Baum Rich telescope: a Centurion 28 at the Wise Observatory

Ilan Manulis, Noah Brosch, Saar Niv, Shai Kaspi

arxiv:1509.04151 v1 · 2015-09-14 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TQ4PHNUC6VOVB24G7FFVBECJEE}

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	2026-05-18T01:32:20.649987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c38f3b682f55d50eb86f94b509049213bdac410c8803318f1dc5df82e5d09fb

Aliases

arxiv: 1509.04151 · arxiv_version: 1509.04151v1 · doi: 10.48550/arxiv.1509.04151 · pith_short_12: TQ4PHNUC6VOV · pith_short_16: TQ4PHNUC6VOVB24G · pith_short_8: TQ4PHNUC

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/TQ4PHNUC6VOVB24G7FFVBECJEE \
  | 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: 9c38f3b682f55d50eb86f94b509049213bdac410c8803318f1dc5df82e5d09fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab87291a92306cefb429a147ea5f478fc30a2128b2e1285b348d4e061b5ce7b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-09-14T15:28:43Z",
    "title_canon_sha256": "7df4fedc7ac76bb28fad25f7f1163557777db36336bdaec5de6d825aa2eb64e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04151",
    "kind": "arxiv",
    "version": 1
  }
}