Pith Number

pith:F644MT7T

pith:2001:F644MT7TPSQBEBISDNKJEJ4QFX

not attested not anchored not stored refs pending

Stability of the Cyclotron Resonance Scattering Feature in Her X-1 with RXTE

D. E. Gruber, I. Kreykenbohm, J. Wilms, R. E. Rothschild, R. Staubert, W. A. Heindl, W. Coburn

arxiv:astro-ph/0112439 v1 · 2001-12-19 · 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{F644MT7TPSQBEBISDNKJEJ4QFX}

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	2026-07-04T16:24:47.448702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fb9c64ff37ca01205121b549227902ddece830afbb92708c281bfe8264ad4cb

Aliases

arxiv: astro-ph/0112439 · arxiv_version: astro-ph/0112439v1 · doi: 10.48550/arxiv.astro-ph/0112439 · pith_short_12: F644MT7TPSQB · pith_short_16: F644MT7TPSQBEBIS · pith_short_8: F644MT7T

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/F644MT7TPSQBEBISDNKJEJ4QFX \
  | 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: 2fb9c64ff37ca01205121b549227902ddece830afbb92708c281bfe8264ad4cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ae6b956f7cc444009ea6c8928f93c863615fb64920d42756b50e01747b37a0c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-12-19T06:57:27Z",
    "title_canon_sha256": "364b6d223efd32eca029b10147d7efb10c04d008701f7758d4ca605acb50cf17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0112439",
    "kind": "arxiv",
    "version": 1
  }
}