Pith Number

pith:CGQQE7TA

pith:2012:CGQQE7TAZVBZEFHGJDNA2I6TUA

not attested not anchored not stored refs pending

Discovery of a parsec-scale bipolar nebula around MWC 349A

K. M. Menten, V. V. Gvaramadze

arxiv:1203.2953 v1 · 2012-03-13 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CGQQE7TAZVBZEFHGJDNA2I6TUA}

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	2026-05-18T01:58:09.111823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11a1027e60cd439214e648da0d23d3a00475d4a578b623eaab5c45c60fbe21cb

Aliases

arxiv: 1203.2953 · arxiv_version: 1203.2953v1 · doi: 10.48550/arxiv.1203.2953 · pith_short_12: CGQQE7TAZVBZ · pith_short_16: CGQQE7TAZVBZEFHG · pith_short_8: CGQQE7TA

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/CGQQE7TAZVBZEFHGJDNA2I6TUA \
  | 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: 11a1027e60cd439214e648da0d23d3a00475d4a578b623eaab5c45c60fbe21cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4926168a08f488f2d20bf8c336f02926ab7a7eb1ba1dd9bdec5f4c71626a28bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-03-13T21:00:02Z",
    "title_canon_sha256": "723211e0de5a23fbe23ffcf626c8df64e275bc04eeda35a9f24c17a84d9b8c73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2953",
    "kind": "arxiv",
    "version": 1
  }
}