Pith Number

pith:MQ4IH57J

pith:2017:MQ4IH57JPZGRDI75ID7CBS62AG

not attested not anchored not stored refs pending

Serendipitous discovery of an optical emission line jet in NGC\,232

C. J. Walcher, C. Lopez-Coba, E. Aquino-Ort{\i}z, I. Cruz-Gonzalez, J. K. Barrera-Ballesteros, J. P. Anderson, L. Binette, L. F. Rodr{\i}guez, L. Galbany, L. Sanchez-Menguiano, S. F. Sanchez, T. Kruhler

arxiv:1711.02785 v1 · 2017-11-08 · 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{MQ4IH57JPZGRDI75ID7CBS62AG}

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	2026-05-18T00:28:51.751886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

643883f7e97e4d11a3fd40fe20cbda01b6b3bcc9d67a521a29a85c9608bf9d10

Aliases

arxiv: 1711.02785 · arxiv_version: 1711.02785v1 · doi: 10.48550/arxiv.1711.02785 · pith_short_12: MQ4IH57JPZGR · pith_short_16: MQ4IH57JPZGRDI75 · pith_short_8: MQ4IH57J

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/MQ4IH57JPZGRDI75ID7CBS62AG \
  | 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: 643883f7e97e4d11a3fd40fe20cbda01b6b3bcc9d67a521a29a85c9608bf9d10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3abeacf757290664780b8930ef6789ef4b761b4a6fe06ff088c68e609f7f4a76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-11-08T01:17:10Z",
    "title_canon_sha256": "28b7541633657a49ce37679884d19609bf0effe0d5841cc2b7c0fe2f60ebf064"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.02785",
    "kind": "arxiv",
    "version": 1
  }
}