Pith Number

pith:AF4WOBDZ

pith:2018:AF4WOBDZZXWREMINRDIDIWHG4D

not attested not anchored not stored refs pending

Sun-Sized Water Vapor Masers in Cepheus A

A. Alakoz, A. M. Sobolev, A. M. Tolmachev, D. A. Ladeyshchikov, H. Imai, J. M. Moran, M. D. Gray, V. A. Samodurov, W. A. Baan

arxiv:1802.06756 v1 · 2018-02-19 · 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{AF4WOBDZZXWREMINRDIDIWHG4D}

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	2026-05-18T00:18:51.882237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0179670479cded12310d88d03458e6e0df09bd3a53a3e1c2e1e5303ff6afc088

Aliases

arxiv: 1802.06756 · arxiv_version: 1802.06756v1 · doi: 10.48550/arxiv.1802.06756 · pith_short_12: AF4WOBDZZXWR · pith_short_16: AF4WOBDZZXWREMIN · pith_short_8: AF4WOBDZ

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/AF4WOBDZZXWREMINRDIDIWHG4D \
  | 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: 0179670479cded12310d88d03458e6e0df09bd3a53a3e1c2e1e5303ff6afc088

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24d440537a005a7ac30f22a9b0a99d2576b6b045dab7a555c96f55e9f1c7216d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-02-19T18:44:29Z",
    "title_canon_sha256": "2d75954334abdce34a87064544c74bdeaa87ca279b47233c0220dede89e7704c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06756",
    "kind": "arxiv",
    "version": 1
  }
}