Pith Number

pith:OMJOHM4L

pith:2007:OMJOHM4LU62DHHYK5UHS6SS6JA

not attested not anchored not stored refs pending

HI and CO observations of Arp 104: a spiral-elliptical interacting pair

D. A. Green, H. Cullen, K. Sheth, P. Alexander

arxiv:astro-ph/0701452 v1 · 2007-01-16 · 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{OMJOHM4LU62DHHYK5UHS6SS6JA}

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	2026-07-04T15:16:31.171369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7312e3b38ba7b4339f0aed0f2f4a5e4819338a89d2cd336c5829274ad625d09e

Aliases

arxiv: astro-ph/0701452 · arxiv_version: astro-ph/0701452v1 · doi: 10.48550/arxiv.astro-ph/0701452 · pith_short_12: OMJOHM4LU62D · pith_short_16: OMJOHM4LU62DHHYK · pith_short_8: OMJOHM4L

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/OMJOHM4LU62DHHYK5UHS6SS6JA \
  | 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: 7312e3b38ba7b4339f0aed0f2f4a5e4819338a89d2cd336c5829274ad625d09e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fe9b64ab13b4121996933ac07c45964b9543a185a1e101818142e8364480d4c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-16T10:20:14Z",
    "title_canon_sha256": "e32760e715f2a1baf60848dd4572c62a5bd231c3fa68e19e1743d2bc4726ed9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701452",
    "kind": "arxiv",
    "version": 1
  }
}