Pith Number

pith:XT74EMMH

pith:2018:XT74EMMH3V4W7C6U5LJHBYDG2G

not attested not anchored not stored refs pending

Detection of additional Be+sdO systems from IUE spectroscopy

Douglas R. Gies, Geraldine J. Peters, Luqian Wang

arxiv:1801.01066 v1 · 2018-01-03 · 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{XT74EMMH3V4W7C6U5LJHBYDG2G}

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	2026-05-18T00:23:27.978185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcffc23187dd796f8bd4ead270e066d1bb4855edf951e6a96f854acdba9e1c40

Aliases

arxiv: 1801.01066 · arxiv_version: 1801.01066v1 · doi: 10.48550/arxiv.1801.01066 · pith_short_12: XT74EMMH3V4W · pith_short_16: XT74EMMH3V4W7C6U · pith_short_8: XT74EMMH

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/XT74EMMH3V4W7C6U5LJHBYDG2G \
  | 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: bcffc23187dd796f8bd4ead270e066d1bb4855edf951e6a96f854acdba9e1c40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "014ea8affafac37a36f11a57fd4931db9273d5985bde0440c430a84ec1ccba90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-01-03T16:23:34Z",
    "title_canon_sha256": "959bd82731f2642d6aa08064c9ea5aa7a21ba77a4330edddcf7c397bb16374ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.01066",
    "kind": "arxiv",
    "version": 1
  }
}