Pith Number

pith:O4VXEEN6

pith:2009:O4VXEEN6T63GKMYDQMNPBC3KCN

not attested not anchored not stored refs pending

Analysis of the infrared spectra of the peculiar post-AGB stars EPLyr and HD52961

C. Dominik, C. Gielen, H. Van Winckel, L.B.F.M. Waters, M. Matsuura, M. Min, P. Deroo

arxiv:0906.4718 v1 · 2009-06-25 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O4VXEEN6T63GKMYDQMNPBC3KCN}

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	2026-05-18T02:13:12.715582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

772b7211be9fb6653303831af08b6a13755e65e4e23b2ab659d857a9ed50f504

Aliases

arxiv: 0906.4718 · arxiv_version: 0906.4718v1 · doi: 10.48550/arxiv.0906.4718 · pith_short_12: O4VXEEN6T63G · pith_short_16: O4VXEEN6T63GKMYD · pith_short_8: O4VXEEN6

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/O4VXEEN6T63GKMYDQMNPBC3KCN \
  | 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: 772b7211be9fb6653303831af08b6a13755e65e4e23b2ab659d857a9ed50f504

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a7ea338f0e5371aa336b0e4dab072d11e62c24ea4e10751843331d01bb24ceb",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-06-25T15:41:30Z",
    "title_canon_sha256": "221fcde5d61ea98adaf28674c0b71cea818dec85c8077b2a535af1081f00088b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4718",
    "kind": "arxiv",
    "version": 1
  }
}