Pith Number

pith:H5Q752TF

pith:2005:H5Q752TF3KBOYUA5HI4MVG3JYJ

not attested not anchored not stored refs pending

Time-series Paschen-beta spectroscopy of SU Aurigae

Neil H. Symington, Ryuichi Kurosawa, Tim J. Harries

arxiv:astro-ph/0501165 v1 · 2005-01-10 · 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{H5Q752TF3KBOYUA5HI4MVG3JYJ}

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	2026-07-04T16:50:35.517471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f61feea65da82ec501d3a38ca9b69c26c04c9d1f6a68854ddcdec38d03dab78

Aliases

arxiv: astro-ph/0501165 · arxiv_version: astro-ph/0501165v1 · doi: 10.48550/arxiv.astro-ph/0501165 · pith_short_12: H5Q752TF3KBO · pith_short_16: H5Q752TF3KBOYUA5 · pith_short_8: H5Q752TF

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/H5Q752TF3KBOYUA5HI4MVG3JYJ \
  | 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: 3f61feea65da82ec501d3a38ca9b69c26c04c9d1f6a68854ddcdec38d03dab78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a740fce8b34416185962b735508fba1900c4cb20b75208d157b15c1f1a8161e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-01-10T17:58:54Z",
    "title_canon_sha256": "31b2bed23af06d3da4f1b881cbe8fe37ed235e28bb33373e8fdf2a363d8d86d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0501165",
    "kind": "arxiv",
    "version": 1
  }
}