Pith Number

pith:L7IS3I34

pith:2013:L7IS3I34W6KPA2Z6QPMFNRBTUR

not attested not anchored not stored refs pending

Dusty OB Stars in the Small Magellanic Cloud - I: Optical Spectroscopy Reveals Predominantly Main-Sequence OB Stars

Alberto D. Bolatto, Holly A. Sheets, Jacco Th. van Loon, Joana M. Oliveira, Joshua D. Simon, Karin Sandstrom, Rodolfo H. Barb\'a

arxiv:1305.4953 v1 · 2013-05-21 · 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{L7IS3I34W6KPA2Z6QPMFNRBTUR}

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	2026-05-18T01:49:48.220683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fd12da37cb794f06b3e83d856c433a461fd632b49f48e5cab973f23cc1698db

Aliases

arxiv: 1305.4953 · arxiv_version: 1305.4953v1 · doi: 10.48550/arxiv.1305.4953 · pith_short_12: L7IS3I34W6KP · pith_short_16: L7IS3I34W6KPA2Z6 · pith_short_8: L7IS3I34

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/L7IS3I34W6KPA2Z6QPMFNRBTUR \
  | 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: 5fd12da37cb794f06b3e83d856c433a461fd632b49f48e5cab973f23cc1698db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93380c9542fef72a432e37e1e486ba4d7ea2af170cbf915ea3430dbfb4784121",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-05-21T20:28:56Z",
    "title_canon_sha256": "ec5a27aaf7fa25192003e6b7a91fed00885b664abf8fece8646d4648597a94c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4953",
    "kind": "arxiv",
    "version": 1
  }
}