Pith Number

pith:ZMK7WTQT

pith:2001:ZMK7WTQT5KU3P36IN34E6YJM6L

not attested not anchored not stored refs pending

Tomographic Separation of Composite Spectra. VIII. The Physical Properties of the Massive Compact Binary in the Triple Star System HD 36486 (delta Orionis A)

Douglas R. Gies, James A. Harvin, Jr., Laura R. Penny, Michelle L. Thaller, William G. Bagnuolo

arxiv:astro-ph/0110683 v1 · 2001-10-31 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZMK7WTQT5KU3P36IN34E6YJM6L}

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	2026-05-18T03:47:51.738193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb15fb4e13eaa9b7efc86ef84f612cf2c38fdfe22b59f3d5d93f61d0a99f2ff4

Aliases

arxiv: astro-ph/0110683 · arxiv_version: astro-ph/0110683v1 · doi: 10.48550/arxiv.astro-ph/0110683 · pith_short_12: ZMK7WTQT5KU3 · pith_short_16: ZMK7WTQT5KU3P36I · pith_short_8: ZMK7WTQT

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/ZMK7WTQT5KU3P36IN34E6YJM6L \
  | 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: cb15fb4e13eaa9b7efc86ef84f612cf2c38fdfe22b59f3d5d93f61d0a99f2ff4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87fea2212fdfd6e64dc1cbf72bfc9bc3485dd2ffcb8294a26c10c7e87a8d6201",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-10-31T01:33:12Z",
    "title_canon_sha256": "8fe6d5a167cd32ad80a256513689ac00a935898904cb56c8941a251f77510215"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0110683",
    "kind": "arxiv",
    "version": 1
  }
}