Pith Number

pith:TANWUG3E

pith:2017:TANWUG3EXZJ3NXICO22SDLPFYQ

not attested not anchored not stored refs pending

Observational calibration of the projection factor of Cepheids - III. The long-period Galactic Cepheid RS Puppis

Alexandre Gallenne, Antoine M\'erand, Boris Trahin, Grzegorz Pietrzy\'nski, Howard E. Bond, Joanne Breitfelder, Julien Dailloux, Laszlo Szabados, Nicolas Nardetto, Pascal Fouqu\'e, Pierre Kervella, Richard I. Anderson, Wolfgang Gieren

arxiv:1701.05192 v1 · 2017-01-18 · 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{TANWUG3EXZJ3NXICO22SDLPFYQ}

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	2026-05-18T00:46:37.904535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

981b6a1b64be53b6dd0276b521ade5c404a8f8e4a057512f24b645fd7cad8baf

Aliases

arxiv: 1701.05192 · arxiv_version: 1701.05192v1 · doi: 10.48550/arxiv.1701.05192 · pith_short_12: TANWUG3EXZJ3 · pith_short_16: TANWUG3EXZJ3NXIC · pith_short_8: TANWUG3E

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/TANWUG3EXZJ3NXICO22SDLPFYQ \
  | 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: 981b6a1b64be53b6dd0276b521ade5c404a8f8e4a057512f24b645fd7cad8baf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdf8e948df69cde5ae8addc19c97322e20f2c239b11ad8dbe5c0b3253afdf125",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-01-18T19:00:02Z",
    "title_canon_sha256": "096708db35b44bc6e49edb1e9846534d8c8077d654adf49f4f2d78080685f14b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05192",
    "kind": "arxiv",
    "version": 1
  }
}