Pith Number

pith:QFAQACYO

pith:2006:QFAQACYO66VIBRNM5C4FSGOB54

not attested not anchored not stored refs pending

Mid-Infrared Spectroscopic Diagnostics of Galactic Nuclei

the Spitzer/IRS Instrument Team, Vassilis Charmandaris

arxiv:astro-ph/0607297 v1 · 2006-07-13 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QFAQACYO66VIBRNM5C4FSGOB54}

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	2026-07-04T14:55:19.560897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8141000b0ef7aa80c5ace8b85919c1ef3d732c5f86277f02c049330f47d74be1

Aliases

arxiv: astro-ph/0607297 · arxiv_version: astro-ph/0607297v1 · doi: 10.48550/arxiv.astro-ph/0607297 · pith_short_12: QFAQACYO66VI · pith_short_16: QFAQACYO66VIBRNM · pith_short_8: QFAQACYO

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/QFAQACYO66VIBRNM5C4FSGOB54 \
  | 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: 8141000b0ef7aa80c5ace8b85919c1ef3d732c5f86277f02c049330f47d74be1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0be0e1e4f2d002805205d76c3498e606dfae69cbc1480737e4efac4144fb974d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-07-13T13:23:02Z",
    "title_canon_sha256": "62a372636c33d7c1b4d95de47cf8c009b2829eef720db70abf35099dbaffb0d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0607297",
    "kind": "arxiv",
    "version": 1
  }
}