Pith Number

pith:SY6QH4DV

pith:2010:SY6QH4DVL5QIYUVUPWGP6SQ32U

not attested not anchored not stored refs pending

Optical spectroscopy of DPVs and the case of LP Ara

Daniela Barria, Darek Graczyk, Ewa Niemczura, Gabriela Michalska, Ronald E. Mennickent, Zbigniew Kolaczkowski

arxiv:1009.0217 v1 · 2010-09-01 · 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{SY6QH4DVL5QIYUVUPWGP6SQ32U}

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	2026-05-18T02:05:38.460765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

963d03f0755f608c52b47d8cff4a1bd50b73cfa36478bf7e864480a1981bb162

Aliases

arxiv: 1009.0217 · arxiv_version: 1009.0217v1 · doi: 10.48550/arxiv.1009.0217 · pith_short_12: SY6QH4DVL5QI · pith_short_16: SY6QH4DVL5QIYUVU · pith_short_8: SY6QH4DV

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/SY6QH4DVL5QIYUVUPWGP6SQ32U \
  | 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: 963d03f0755f608c52b47d8cff4a1bd50b73cfa36478bf7e864480a1981bb162

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efdd67088d1a7333f3b8f962b276c7e6fad3d6a7260348908e4be71377417553",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-09-01T16:08:34Z",
    "title_canon_sha256": "645996a11c9e95feed52cb12298dda7c3dab2155bf20123336f5f9832dd908df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.0217",
    "kind": "arxiv",
    "version": 1
  }
}