Pith Number

pith:EASVMCWY

pith:2019:EASVMCWYYG3KZNPP2M36VKK5NA

not attested not anchored not stored refs pending

Time variations of H2O and SiO masers in the proto-Planeatry Nebula OH231.8+4.2

B. Zhang, D.-H. Yoon, H. Imai, J. Kim, R. Dodson, S.-H. Cho, V. Bujarrabal

arxiv:1907.01825 v1 · 2019-07-03 · 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{EASVMCWYYG3KZNPP2M36VKK5NA}

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	2026-05-17T23:41:34.917680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2025560ad8c1b6acb5efd337eaa95d68121117804e75078167d2a750ed15c8ae

Aliases

arxiv: 1907.01825 · arxiv_version: 1907.01825v1 · doi: 10.48550/arxiv.1907.01825 · pith_short_12: EASVMCWYYG3K · pith_short_16: EASVMCWYYG3KZNPP · pith_short_8: EASVMCWY

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/EASVMCWYYG3KZNPP2M36VKK5NA \
  | 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: 2025560ad8c1b6acb5efd337eaa95d68121117804e75078167d2a750ed15c8ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0e94a7152f5905c6d6395e7bd581616fd642d5a9195e50a6f5b4ac4f7b70567",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-07-03T10:01:32Z",
    "title_canon_sha256": "3d48a546f7d17d2608f9b23943d3bc925a890ec94ea2eb56d780b6a0d0a01117"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01825",
    "kind": "arxiv",
    "version": 1
  }
}