Pith Number

pith:V7SPR2GH

pith:2013:V7SPR2GH56Y7A2CZ3Z36HVFPNC

not attested not anchored not stored refs pending

SPIDAST: a new modular software to process spectro-interferometric measurements

Alain Jorissen, Alain Spang, Andrea Chiavassa, Ester Pasquato, Olivier Chesneau, Patrick Fr\'eville, Pierre Cruzal\`ebes, St\'ephane Sacuto, Yves Rabbia

arxiv:1304.1666 v1 · 2013-04-05 · 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{V7SPR2GH56Y7A2CZ3Z36HVFPNC}

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	2026-05-18T01:50:42.545167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afe4f8e8c7efb1f06859de77e3d4af688293c09660c4b40b5cf33b0950697922

Aliases

arxiv: 1304.1666 · arxiv_version: 1304.1666v1 · doi: 10.48550/arxiv.1304.1666 · pith_short_12: V7SPR2GH56Y7 · pith_short_16: V7SPR2GH56Y7A2CZ · pith_short_8: V7SPR2GH

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/V7SPR2GH56Y7A2CZ3Z36HVFPNC \
  | 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: afe4f8e8c7efb1f06859de77e3d4af688293c09660c4b40b5cf33b0950697922

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72494698e33110c4118d802b73d54f7aace943ae5b22df8b9534d0e31b2831a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-04-05T10:19:28Z",
    "title_canon_sha256": "903b7d033d5f1950862240530c694f084d5a6e43f7dca41c042d16ea2d6f9e22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1666",
    "kind": "arxiv",
    "version": 1
  }
}