Pith Number

pith:D7P5FYC2

pith:2009:D7P5FYC27YDDLVDPIZHMV5BO7I

not attested not anchored not stored refs pending

CHAMP+ observations of warm gas in M17 SW

(2) Leiden Observatory, (3) Max-Planck Institute for Radio Astronomy, (4) SRON Netherlands Institute for Space Research, 5) ((1) Kapteyn Astronomical Institute, (5) NOVA Nederlandse Onderzoeksschool Voor Astronomie), A. Baryshev (4), J.P. P\'erez-Beaupuits (1), M.R. Hogerheijde (2), M. Spaans (1), R.G\"usten (3), W. Boland (2

arxiv:0910.4937 v2 · 2009-10-26 · 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{D7P5FYC27YDDLVDPIZHMV5BO7I}

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	2026-05-18T02:11:11.315671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fdfd2e05afe0635d46f464ecaf42efa28fe51a55b009fc1d0dc48ac917d8423

Aliases

arxiv: 0910.4937 · arxiv_version: 0910.4937v2 · doi: 10.48550/arxiv.0910.4937 · pith_short_12: D7P5FYC27YDD · pith_short_16: D7P5FYC27YDDLVDP · pith_short_8: D7P5FYC2

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/D7P5FYC27YDDLVDPIZHMV5BO7I \
  | 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: 1fdfd2e05afe0635d46f464ecaf42efa28fe51a55b009fc1d0dc48ac917d8423

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46fcfbd019ad5c0c490d0b1c09fdbfed97e2959180ec123e08915a2dc71cdf2a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-10-26T17:57:27Z",
    "title_canon_sha256": "6bfd49f7453c5ec7a26f3f43335583eb1454c13cdae35693e47935c437c86367"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4937",
    "kind": "arxiv",
    "version": 2
  }
}