Pith Number

pith:M72XX27Y

pith:2023:M72XX27YKSL7TLQ4NHDYH6OBAE

not attested not anchored not stored refs pending

BCD spectrophotometry for massive stars in transition phases

A. Smith Castelli, A. Torres, J. Zorec, L. S. Cidale, M. Borges Fernandes, M. Kraus, M. L. Arias, T. B. Souza, Y. J. Aidelman, Y. R. Cochetti

arxiv:2307.11576 v1 · 2023-07-21 · 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{M72XX27YKSL7TLQ4NHDYH6OBAE}

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	2026-07-05T06:56:36.634358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67f57bebf85497f9ae1c69c783f9c101207253fdabb30e8d54aad28fa364f966

Aliases

arxiv: 2307.11576 · arxiv_version: 2307.11576v1 · doi: 10.48550/arxiv.2307.11576 · pith_short_12: M72XX27YKSL7 · pith_short_16: M72XX27YKSL7TLQ4 · pith_short_8: M72XX27Y

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/M72XX27YKSL7TLQ4NHDYH6OBAE \
  | 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: 67f57bebf85497f9ae1c69c783f9c101207253fdabb30e8d54aad28fa364f966

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff2ec3a3e917030703bebde0a384658c48a77344adc511d75ee33df111af3c31",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-07-21T13:31:36Z",
    "title_canon_sha256": "495a3cda565e42365bf3469f213a1a5e436bc10b7cadd903c06abbe9f669e90f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.11576",
    "kind": "arxiv",
    "version": 1
  }
}