Pith Number

pith:7KI36M7S

pith:2013:7KI36M7SCZ77KO264MNNRE4CH5

not attested not anchored not stored refs pending

The Magellanic Quasars Survey. III. Spectroscopic Confirmation of 758 AGNs Behind the Magellanic Clouds

Andrzej Udalski, A. Z. Bonanos, Christopher A. Onken, Christopher S. Kochanek, G. Pietrzynski, I. Soszynski, J. Skowron, K. Ulaczyk, L. Wyrzykowski, M. K. Szymanski, M. Kubiak, M. Meixner, P. Pietrukowicz, R. Poleski, Szymon Kozlowski

arxiv:1305.6927 v1 · 2013-05-29 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7KI36M7SCZ77KO264MNNRE4CH5}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:49:40.020162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa91bf33f2167ff53b5ee31ad893823f4c87055da4a4b75c667e4a84b95bc206

Aliases

arxiv: 1305.6927 · arxiv_version: 1305.6927v1 · doi: 10.48550/arxiv.1305.6927 · pith_short_12: 7KI36M7SCZ77 · pith_short_16: 7KI36M7SCZ77KO26 · pith_short_8: 7KI36M7S

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/7KI36M7SCZ77KO264MNNRE4CH5 \
  | 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: fa91bf33f2167ff53b5ee31ad893823f4c87055da4a4b75c667e4a84b95bc206

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c5a2d06a543baa83b065955f8e33b4533aa704ef1f10d4ea05e634ae8307d54",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-05-29T20:00:02Z",
    "title_canon_sha256": "6ff961c57f61b604f582d594cf86a0d1f60bb18467576648ac6d5ccd26e5b3a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6927",
    "kind": "arxiv",
    "version": 1
  }
}