Pith Number

pith:VBD4RV3Y

pith:2011:VBD4RV3YMFBMREZJOYO4EBMFXE

not attested not anchored not stored refs pending

APEX telescope observations of new molecular ions

A. Belloche, F. Wyrowski, K. M. Menten, R. G\"usten

arxiv:1102.2887 v1 · 2011-02-14 · 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{VBD4RV3YMFBMREZJOYO4EBMFXE}

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	2026-05-18T00:41:02.645211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a847c8d7786142c89329761dc20585b932fd8739705ad0fe5f831333eca8a2b6

Aliases

arxiv: 1102.2887 · arxiv_version: 1102.2887v1 · doi: 10.48550/arxiv.1102.2887 · pith_short_12: VBD4RV3YMFBM · pith_short_16: VBD4RV3YMFBMREZJ · pith_short_8: VBD4RV3Y

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/VBD4RV3YMFBMREZJOYO4EBMFXE \
  | 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: a847c8d7786142c89329761dc20585b932fd8739705ad0fe5f831333eca8a2b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09f7504463d7857ad4e73c747c98b53bb5e29dfbb0342649c806942e8dac87fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-02-14T20:53:16Z",
    "title_canon_sha256": "40607a27d0ffd1955bb46326d6866a9e1490cdb073457c711036184b89b6c27b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2887",
    "kind": "arxiv",
    "version": 1
  }
}