Pith Number

pith:XGCYZ27Q

pith:2013:XGCYZ27QX7WHWH6VZMOVMTK7CQ

not attested not anchored not stored refs pending

Rotating and infalling motion around the high-mass young stellar object Cepheus A-HW2 observed with the methanol maser at 6.7 GHz

A. Doi, H. Kobayashi, H. Ogawa, K. Fujisawa, K. Motogi, K. Niinuma, K. Sugiyama, K. Wajima, M. Honma, S. P. Ellingsen, S. Sawada-Satoh, Y. Murata

arxiv:1312.7235 v1 · 2013-12-27 · astro-ph.SR · 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{XGCYZ27QX7WHWH6VZMOVMTK7CQ}

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	2026-05-18T01:45:35.670714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9858cebf0bfec7b1fd5cb1d564d5f14042120bdd450318de31eb398d254cdad

Aliases

arxiv: 1312.7235 · arxiv_version: 1312.7235v1 · doi: 10.48550/arxiv.1312.7235 · pith_short_12: XGCYZ27QX7WH · pith_short_16: XGCYZ27QX7WHWH6V · pith_short_8: XGCYZ27Q

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/XGCYZ27QX7WHWH6VZMOVMTK7CQ \
  | 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: b9858cebf0bfec7b1fd5cb1d564d5f14042120bdd450318de31eb398d254cdad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48fb9f5cfba10d564c3b877b408b0c4e06add44a6d55e84f94451bb4409f74f2",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-12-27T10:13:50Z",
    "title_canon_sha256": "539f25ce5e7f596111ab53b98415e4c46e1cf2bb9e83133926d7d25f042f106c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.7235",
    "kind": "arxiv",
    "version": 1
  }
}