Pith Number

pith:YFWSBDZS

pith:2014:YFWSBDZSSKTBVKF5RSOBBH47P7

not attested not anchored not stored refs pending

A deep catalogue of classical Be stars in the direction of the Perseus Arm: spectral types and interstellar reddenings

D. Steeghs, G. Barentsen, J. E. Drew, J. Fabregat, J. J. Drake, N. J. Wright, R. Raddi, S. E. Sale

arxiv:1410.1533 v1 · 2014-10-06 · 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{YFWSBDZSSKTBVKF5RSOBBH47P7}

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	2026-05-18T01:41:52.001066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c16d208f3292a61aa8bd8c9c109f9f7fc4b4c9cddfb2024653a519d3c5789a72

Aliases

arxiv: 1410.1533 · arxiv_version: 1410.1533v1 · doi: 10.48550/arxiv.1410.1533 · pith_short_12: YFWSBDZSSKTB · pith_short_16: YFWSBDZSSKTBVKF5 · pith_short_8: YFWSBDZS

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/YFWSBDZSSKTBVKF5RSOBBH47P7 \
  | 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: c16d208f3292a61aa8bd8c9c109f9f7fc4b4c9cddfb2024653a519d3c5789a72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88643f7c64fe54e2dae38a7e39528fb6fb3fbced1c3618e8b780ee3c5ba1993a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-10-06T20:00:03Z",
    "title_canon_sha256": "3217efa502fbb37837eb49f4cdf8bc32eb803f34661d0ff95ee0188e89d1ef4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.1533",
    "kind": "arxiv",
    "version": 1
  }
}