Pith Number

pith:TZSMXGZU

pith:2017:TZSMXGZUVILGDSJM3H7XHTV7R5

not attested not anchored not stored refs pending

Amplitude Variations in Pulsating Red Giants. II. Some Systematics

Jennifer Laing, John R. Percy

arxiv:1709.09696 v1 · 2017-09-27 · 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{TZSMXGZUVILGDSJM3H7XHTV7R5}

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	2026-05-18T00:34:07.028548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e64cb9b34aa1661c92cd9ff73cebf8f4776e39a4a3beba5ee608803dc4616cf

Aliases

arxiv: 1709.09696 · arxiv_version: 1709.09696v1 · doi: 10.48550/arxiv.1709.09696 · pith_short_12: TZSMXGZUVILG · pith_short_16: TZSMXGZUVILGDSJM · pith_short_8: TZSMXGZU

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/TZSMXGZUVILGDSJM3H7XHTV7R5 \
  | 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: 9e64cb9b34aa1661c92cd9ff73cebf8f4776e39a4a3beba5ee608803dc4616cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b94fbc87ef351018e10e9bcf3abb7cea694ec83407be0fa805c2b1e0874176d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-09-27T18:45:45Z",
    "title_canon_sha256": "bbec574c07d78e96ccbf23ca7397e83aa29752b21e9b1e593e63a59755b4975f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.09696",
    "kind": "arxiv",
    "version": 1
  }
}