Pith Number

pith:URHCPGNS

pith:2011:URHCPGNSZ72KTLYFTRAM2THPIX

not attested not anchored not stored refs pending

Absorption Line Survey of H3+ toward the Galactic Center Sources III. Extent of the Warm and Diffuse Clouds

(2) Subaru Telescope, (3) Gemini Observatory, (4) University of Illinois at Urbana-Champaign, (5) University of Chicago), B. J. McCall (4), M. Goto (1), N. Indriolo (4), Th. Henning (1), T. Oka (5) ((1) MPIA, T. R. Geballe (3), T. Usuda (2)

arxiv:1104.2902 v1 · 2011-04-14 · 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{URHCPGNSZ72KTLYFTRAM2THPIX}

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	2026-05-18T02:02:28.494795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a44e2799b2cff4a9af059c40cd4cef45caca2bfcb338b11018fc42a5a54bc51b

Aliases

arxiv: 1104.2902 · arxiv_version: 1104.2902v1 · doi: 10.48550/arxiv.1104.2902 · pith_short_12: URHCPGNSZ72K · pith_short_16: URHCPGNSZ72KTLYF · pith_short_8: URHCPGNS

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/URHCPGNSZ72KTLYFTRAM2THPIX \
  | 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: a44e2799b2cff4a9af059c40cd4cef45caca2bfcb338b11018fc42a5a54bc51b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4960a631235c16ae6f8b5cf31857afd5bf629a9ef2e3f210c60032a017815215",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-04-14T20:00:04Z",
    "title_canon_sha256": "6f4da42b8db3a33e15f8079839186204eda3c8fc3ed8f100224d761414a41fbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2902",
    "kind": "arxiv",
    "version": 1
  }
}