Pith Number

pith:AMO2UZV2

pith:1994:AMO2UZV2PBBL5T3QUEX73ZCMXH

not attested not anchored not stored refs pending

Discovery of hydroxyl and water masers in R Aquarii and H1-36 Arae

E. R. Seaquist, P. J. Hall, R. J. Ivison

arxiv:astro-ph/9402055 v1 · 1994-02-22 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AMO2UZV2PBBL5T3QUEX73ZCMXH}

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	2026-05-18T01:40:26.282638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

031daa66ba7842becf70a12ffde44cb9ee2dc759377a10a73d9e6e7f2899946b

Aliases

arxiv: astro-ph/9402055 · arxiv_version: astro-ph/9402055v1 · doi: 10.48550/arxiv.astro-ph/9402055 · pith_short_12: AMO2UZV2PBBL · pith_short_16: AMO2UZV2PBBL5T3Q · pith_short_8: AMO2UZV2

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/AMO2UZV2PBBL5T3QUEX73ZCMXH \
  | 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: 031daa66ba7842becf70a12ffde44cb9ee2dc759377a10a73d9e6e7f2899946b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89d8a0f73915842ab38836d0c14357fdee56539d60ae0693fa4631cb1da7ff2f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1994-02-22T23:34:27Z",
    "title_canon_sha256": "06a5ffef3988b188ba247f50dba4e6ad036a2116ae4e5961f8a323b583076205"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9402055",
    "kind": "arxiv",
    "version": 1
  }
}