pith. sign in
Pith Number

pith:ZR7SYIDZ

pith:2012:ZR7SYIDZQBN67A3WGSCFRS5O4U
not attested not anchored not stored refs pending

The role of theta Oph in the formation and evolution of the Pipe Nebula - is star formation ever isolated?

Douglas N. C. Lin, Matthias Gritschneder

arxiv:1207.0495 v1 · 2012-07-02 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ZR7SYIDZQBN67A3WGSCFRS5O4U}

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 2026-05-18T01:56:35.590937Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

cc7f2c2079805bef8376348458cbaee525f276460a4f1b9d171425cd18257ff4

Aliases

arxiv: 1207.0495 · arxiv_version: 1207.0495v1 · doi: 10.48550/arxiv.1207.0495 · pith_short_12: ZR7SYIDZQBN6 · pith_short_16: ZR7SYIDZQBN67A3W · pith_short_8: ZR7SYIDZ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZR7SYIDZQBN67A3WGSCFRS5O4U \
  | 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: cc7f2c2079805bef8376348458cbaee525f276460a4f1b9d171425cd18257ff4
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "df1f1a658b1eaf8fb7ae38cc63fc36d6ecf33fb2bb2e8a33c2038e9ba29779e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-07-02T20:00:01Z",
    "title_canon_sha256": "ffec6dcd89f2bbcc41c23dcee1078fc8bbeae04b97202bbda5c195a570d8ebd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0495",
    "kind": "arxiv",
    "version": 1
  }
}