Pith Number

pith:5O2MARO4

pith:2009:5O2MARO4MHRITUBJ7IGDGQJ2M7

not attested not anchored not stored refs pending

Physical properties of Southern infrared dark clouds

(2) Th\"uringer Landessternwarte Tautenburg, (3) ESO), B. Stecklum (2), H. Linz (1), L.-A. Nyman (3) ((1) Max Planck Institute for Astronomy, S. Klose (2), Th. Henning (1), T. Vasyunina (1)

arxiv:0902.1772 v1 · 2009-02-11 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5O2MARO4MHRITUBJ7IGDGQJ2M7}

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	2026-05-18T02:14:48.429161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebb4c045dc61e289d029fa0c33413a67fb1d606352410eaf3b952b5cdc150e03

Aliases

arxiv: 0902.1772 · arxiv_version: 0902.1772v1 · doi: 10.48550/arxiv.0902.1772 · pith_short_12: 5O2MARO4MHRI · pith_short_16: 5O2MARO4MHRITUBJ · pith_short_8: 5O2MARO4

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/5O2MARO4MHRITUBJ7IGDGQJ2M7 \
  | 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: ebb4c045dc61e289d029fa0c33413a67fb1d606352410eaf3b952b5cdc150e03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dafe4bf22a32b1f54afee455d647b7d71da3e1b6c360fc0e87cff6fe71647e86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-02-11T08:41:21Z",
    "title_canon_sha256": "d70a2f3cd4cf5d756bfad352fb836dc39f6898c6ba1e903c67f2104cd6376e8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.1772",
    "kind": "arxiv",
    "version": 1
  }
}