Pith Number

pith:TUKPULM2

pith:2012:TUKPULM2WLKKHRBXHP6DAQN46Y

not attested not anchored not stored refs pending

Red supergiants around the obscured open cluster Stephenson 2

Amparo Marco, CAB-CSIC), Carlos Gonz\'alez-Fern\'andez (Alicante), Enrique Solano (Spanish VO, Fran Jim\'enez-Esteban (Spanish VO, Ignacio Negueruela, J. Simon Clark (Open University), Miriam Garcia (IAC)

arxiv:1208.3282 v1 · 2012-08-16 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TUKPULM2WLKKHRBXHP6DAQN46Y}

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	2026-05-18T03:31:32.713620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d14fa2d9ab2d4a3c4373bfc3041bcf638b70efd4d930a71406d6538dd4805fb

Aliases

arxiv: 1208.3282 · arxiv_version: 1208.3282v1 · doi: 10.48550/arxiv.1208.3282 · pith_short_12: TUKPULM2WLKK · pith_short_16: TUKPULM2WLKKHRBX · pith_short_8: TUKPULM2

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/TUKPULM2WLKKHRBXHP6DAQN46Y \
  | 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: 9d14fa2d9ab2d4a3c4373bfc3041bcf638b70efd4d930a71406d6538dd4805fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4855363e8a209f6805b11d7b670e789281b0bb411d040629c1953be504c5716",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-08-16T04:01:07Z",
    "title_canon_sha256": "f3f6ba03f1e43fd0cae8301138848729673fe57c6c8312d8002a2bd52a35bce2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3282",
    "kind": "arxiv",
    "version": 1
  }
}