Pith Number

pith:ETFE27AT

pith:2023:ETFE27ATNEHUXHJRQ47BGBXCNS

not attested not anchored not stored refs pending

The B-type Binaries Characterisation Programme II. VFTS 291: A stripped star from a recent mass transfer phase

A. Picco, C. J. Evans, D. J. Lennon, F. Nardini, H. Sana, I. Soszy\'nski, J. Bodensteiner, J. I. Villase\~nor, N. Langer, P. L. Dufton, P. Marchant, S. E. de Mink, T. Shenar, W. D. Taylor, Y. G\"otberg

arxiv:2307.07766 v3 · 2023-07-15 · 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{ETFE27ATNEHUXHJRQ47BGBXCNS}

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	2026-07-05T06:49:24.014890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24ca4d7c13690f4b9d31873e1306e26ca7d602e75ad9348441c2ac8353b6b0a9

Aliases

arxiv: 2307.07766 · arxiv_version: 2307.07766v3 · doi: 10.48550/arxiv.2307.07766 · pith_short_12: ETFE27ATNEHU · pith_short_16: ETFE27ATNEHUXHJR · pith_short_8: ETFE27AT

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/ETFE27ATNEHUXHJRQ47BGBXCNS \
  | 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: 24ca4d7c13690f4b9d31873e1306e26ca7d602e75ad9348441c2ac8353b6b0a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6414a427c1419f26732de7c1de1ff06e27f2fa81a76d6e48108f0b6123c1a7f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-07-15T10:35:05Z",
    "title_canon_sha256": "0ded058f80953f0f2a51d3aa74edf0964f829706646ea328ff6a4c7a88a244be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.07766",
    "kind": "arxiv",
    "version": 3
  }
}