Pith Number

pith:DMFSGPAJ

pith:2009:DMFSGPAJJFLUE4QOXPBAVDWXKG

not attested not anchored not stored refs pending

Long-term photometry and periods for 261 nearby pulsating M giants

B. Szeidl, H. Kjeldsen, L.L. Kiss, T.R. Bedding, T.T. Moon, V. Tabur

arxiv:0908.3228 v1 · 2009-08-22 · 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{DMFSGPAJJFLUE4QOXPBAVDWXKG}

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	2026-05-18T02:12:24.026345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b0b233c09495742720ebbc20a8ed7519ce3092e088c27035cd910cc59fba5a2

Aliases

arxiv: 0908.3228 · arxiv_version: 0908.3228v1 · doi: 10.48550/arxiv.0908.3228 · pith_short_12: DMFSGPAJJFLU · pith_short_16: DMFSGPAJJFLUE4QO · pith_short_8: DMFSGPAJ

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/DMFSGPAJJFLUE4QOXPBAVDWXKG \
  | 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: 1b0b233c09495742720ebbc20a8ed7519ce3092e088c27035cd910cc59fba5a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "896483815c552755a9678209a8a68a1ba369a0e87ca2a86d50a082fd529aa3cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-08-22T12:46:00Z",
    "title_canon_sha256": "82ab9925eb9512af56c00d4d09bfe845b4442419ec7aa5f9b89aac1d19278bb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.3228",
    "kind": "arxiv",
    "version": 1
  }
}