Pith Number

pith:VATF7GRT

pith:2013:VATF7GRTSUINJAIAWCCLM7BBGN

not attested not anchored not stored refs pending

An interferometric study of the post-AGB binary 89 Herculis I Spatially resolving the continuum circumstellar environment at optical and near-IR wavelengths with the VLTI, NPOI, IOTA, PTI, and the CHARA Array

C.A. Hummel, C. Farrington, C. Tycner, D. Mourard, D.P.K. Banerjee, H. Van Winckel, J.D. Monnier, M. Hillen, O. Chesneau, R.T. Zavala, T. ten Brummelaar, T. Verhoelst

arxiv:1308.6715 v1 · 2013-08-30 · 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{VATF7GRTSUINJAIAWCCLM7BBGN}

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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	2026-05-18T01:47:56.521163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8265f9a339510d48100b084b67c213357ee8ff10b5955f6ab453e00359d8dbb

Aliases

arxiv: 1308.6715 · arxiv_version: 1308.6715v1 · doi: 10.48550/arxiv.1308.6715 · pith_short_12: VATF7GRTSUIN · pith_short_16: VATF7GRTSUINJAIA · pith_short_8: VATF7GRT

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/VATF7GRTSUINJAIAWCCLM7BBGN \
  | 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: a8265f9a339510d48100b084b67c213357ee8ff10b5955f6ab453e00359d8dbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdeef3ed26552b3f927d2c0d383f81f7407fdea7f86138f21cb55bcc7fd55fed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-08-30T11:43:23Z",
    "title_canon_sha256": "ef2866850f7cf406a5841fb9a19564a640df6d130939c47b5dd64a9eec3073e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6715",
    "kind": "arxiv",
    "version": 1
  }
}