Pith Number

pith:7R4WZZEK

pith:2019:7R4WZZEK53IBVL4YC3INDRRPWE

not attested not anchored not stored refs pending

The MESAS Project: Long wavelength follow-up observations of Sirius A

Aaron C. Boley, A. Meredith Hughes, Anna G. Hughes, Attila Mo\'or, Brenda Matthews, Brian Mason, Charles Romero, David J. Wilner, Francisco Tapia, Jacob Aaron White, Jason Aufdenberg, Jonathan Sievers, Mark Devlin, Peter Hauschildt, Sara Stanchfield, Tony Mroczkowski

arxiv:1903.03481 v1 · 2019-03-08 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7R4WZZEK53IBVL4YC3INDRRPWE}

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	2026-05-17T23:47:57.789186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc796ce48aeed01aaf9816d0d1c62fb117fc862680f899d6e7478271305969a6

Aliases

arxiv: 1903.03481 · arxiv_version: 1903.03481v1 · doi: 10.48550/arxiv.1903.03481 · pith_short_12: 7R4WZZEK53IB · pith_short_16: 7R4WZZEK53IBVL4Y · pith_short_8: 7R4WZZEK

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/7R4WZZEK53IBVL4YC3INDRRPWE \
  | 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: fc796ce48aeed01aaf9816d0d1c62fb117fc862680f899d6e7478271305969a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc714a7c52b6ff0b4d7888555becb13960185c1ac958d464b4bf0b7d1e551e04",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-03-08T15:01:33Z",
    "title_canon_sha256": "44c636304c53aaa51d8604e6eb13ec7f0c161b0bf80f6efba5ad155ca5bdcbe3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03481",
    "kind": "arxiv",
    "version": 1
  }
}