Pith Number

pith:IGEWWE2I

pith:2018:IGEWWE2IS7NT3RB5Z7U6QA4QJW

not attested not anchored not stored refs pending

VLTI-GRAVITY measurements of cool evolved stars: I. Variable photosphere and extended atmosphere of the Mira star R Peg

A. Chiavassa, F. Eisenhauer, G. Rau, M. Scholz, M. Wittkowski, P. R. Wood, S. Hoefner, T. Paumard, W. J. de Wit, X. Haubois

arxiv:1805.05333 v1 · 2018-05-14 · 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{IGEWWE2IS7NT3RB5Z7U6QA4QJW}

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	2026-05-18T00:14:07.460975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41896b134897db3dc43dcfe9e803904dbd546c4426cc386c35a72ec7c81416ea

Aliases

arxiv: 1805.05333 · arxiv_version: 1805.05333v1 · doi: 10.48550/arxiv.1805.05333 · pith_short_12: IGEWWE2IS7NT · pith_short_16: IGEWWE2IS7NT3RB5 · pith_short_8: IGEWWE2I

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/IGEWWE2IS7NT3RB5Z7U6QA4QJW \
  | 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: 41896b134897db3dc43dcfe9e803904dbd546c4426cc386c35a72ec7c81416ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "372ba6a45698aa988ad85213bb59f603d549bc8f1a3200e324991c38b6c01f6c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-05-14T18:00:00Z",
    "title_canon_sha256": "cdca86e6057aa9f58d49dba1dcf35b8ac9175bbe476c00039b7195186651b9df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05333",
    "kind": "arxiv",
    "version": 1
  }
}