Pith Number

pith:ULF55BAB

pith:2013:ULF55BABEHU3FZST4W3GDDFWUZ

not attested not anchored not stored refs pending

H2O Maser Emission in Circumstellar Envelopes around AGB Stars: Physical Conditions in Gas-Dust Clouds

Aleksandr Nesterenok

arxiv:1309.7547 v1 · 2013-09-29 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ULF55BABEHU3FZST4W3GDDFWUZ}

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	2026-05-18T03:11:56.649595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2cbde840121e9b2e653e5b6618cb6a64309c7c175971ea4399cf75ff584e7f8

Aliases

arxiv: 1309.7547 · arxiv_version: 1309.7547v1 · doi: 10.48550/arxiv.1309.7547 · pith_short_12: ULF55BABEHU3 · pith_short_16: ULF55BABEHU3FZST · pith_short_8: ULF55BAB

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/ULF55BABEHU3FZST4W3GDDFWUZ \
  | 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: a2cbde840121e9b2e653e5b6618cb6a64309c7c175971ea4399cf75ff584e7f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2686bc5f2d508bd273a9a152a8b6051916df9cefcc4fc3979a701f17714cb845",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-09-29T07:16:06Z",
    "title_canon_sha256": "b25b1bca23989a9c041d434b41a015ce00cb4dd2e8d8183e281f89a97acca8fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7547",
    "kind": "arxiv",
    "version": 1
  }
}