Pith Number

pith:IA6TSYC2

pith:2017:IA6TSYC2QHF4VVJNLCRUZPPAWJ

not attested not anchored not stored refs pending

Toward a renewed Galactic Cepheid distance scale from Gaia and optical interferometry

Alexandre Gallenne, Antoine M\'erand, Boris Trahin, Grzegorz Pietrzynski, Howard E. Bond, Joanne Breitfelder, Laszlo Szabados, Nicolas Nardetto, Pierre Kervella, Richard I. Anderson, Simon Borgniet, Wolfgang Gieren

arxiv:1702.07741 v1 · 2017-02-24 · 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{IA6TSYC2QHF4VVJNLCRUZPPAWJ}

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	2026-05-18T00:35:23.500115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

403d39605a81cbcad52d58a34cbde0b26961578306f01f88838473a6dc1ff30f

Aliases

arxiv: 1702.07741 · arxiv_version: 1702.07741v1 · doi: 10.48550/arxiv.1702.07741 · pith_short_12: IA6TSYC2QHF4 · pith_short_16: IA6TSYC2QHF4VVJN · pith_short_8: IA6TSYC2

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/IA6TSYC2QHF4VVJNLCRUZPPAWJ \
  | 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: 403d39605a81cbcad52d58a34cbde0b26961578306f01f88838473a6dc1ff30f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b438ee7c0f58e8e14047cff3eb2747911fd30e3c4bea22d360fe9a753189f00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-02-24T19:58:04Z",
    "title_canon_sha256": "8cee61444102a551800333dd060011f1b74629d05e6658ce0ce18107ff59f291"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07741",
    "kind": "arxiv",
    "version": 1
  }
}