Pith Number

pith:FZQSYGZI

pith:2009:FZQSYGZIVBV67MNXEP3ACNIPOE

not attested not anchored not stored refs pending

Resolving the asymmetric inner wind region of the yellow hypergiant IRC+10420 with VLTI/AMBER in low and high spectral resolution mode

A. Merand, C. A.Hummel, D. Schertl, E. Tatulli, F. Massi, F. Millour, G. Weigelt, J. B. Le Bouquin, J. H. Groh, K.-H. Hofmann, K. Murakawa, K. Ohnaka, M. Schoeller, M. Wittkowski, P. Stee, R. Petrov, S. Kraus, T. Driebe

arxiv:0909.4688 v1 · 2009-09-25 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FZQSYGZIVBV67MNXEP3ACNIPOE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:11:37.642681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e612c1b28a86befb1b723f601350f7128900d2ae97641c925e36a34548e8277

Aliases

arxiv: 0909.4688 · arxiv_version: 0909.4688v1 · doi: 10.48550/arxiv.0909.4688 · pith_short_12: FZQSYGZIVBV6 · pith_short_16: FZQSYGZIVBV67MNX · pith_short_8: FZQSYGZI

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/FZQSYGZIVBV67MNXEP3ACNIPOE \
  | 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: 2e612c1b28a86befb1b723f601350f7128900d2ae97641c925e36a34548e8277

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11157a4ac072c701a70219213b60fb87c5ebd4c6218bc3f0d17f31f12b0b3c79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-25T13:57:49Z",
    "title_canon_sha256": "6db8913aaa492b74603c0036f10531ecc763a6e42b53c01ed49d44d1fde5b434"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4688",
    "kind": "arxiv",
    "version": 1
  }
}