Pith Number

pith:S26X66ZW

pith:2021:S26X66ZW3VGEO6AORSRPL6CSXG

not attested not anchored not stored refs pending

Progress of the CHARA/SPICA project

C. Bailet, C. Pannetier, D. Gies, D. Lecron, D. Mourard, F. Allouche, F. Cassaing, F. Patru, J. B. Le Bouquin, J. Dejonghe, J. Monnier, J. Sturmann, K. Perraut, L. Jocou, L. Sturmann, N. Anugu, N. Nardetto, P. Berio, P. Stee, R. Petrov, S. Kraus, S. Lacour, S. Lagarde, S. Rousseau, T. ten Brummelaar

arxiv:2101.10926 v1 · 2021-01-26 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S26X66ZW3VGEO6AORSRPL6CSXG}

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	2026-07-05T02:10:03.714619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96bd7f7b36dd4c47780e8ca2f5f852b990b41cfa60d5616c67159cf2e8e96d85

Aliases

arxiv: 2101.10926 · arxiv_version: 2101.10926v1 · doi: 10.48550/arxiv.2101.10926 · pith_short_12: S26X66ZW3VGE · pith_short_16: S26X66ZW3VGEO6AO · pith_short_8: S26X66ZW

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/S26X66ZW3VGEO6AORSRPL6CSXG \
  | 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: 96bd7f7b36dd4c47780e8ca2f5f852b990b41cfa60d5616c67159cf2e8e96d85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96b16cfc53e0344bf1b25f604ffa88ab3df14809436b25fda0d0b57dc56e3fd5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-01-26T16:47:41Z",
    "title_canon_sha256": "61c6b1bd5c35aacf635b0b7cffa0272de9b4e9253391da48bfa2c34c20bd51bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.10926",
    "kind": "arxiv",
    "version": 1
  }
}