Pith Number

pith:QDDISCNI

pith:2010:QDDISCNI6N3ER45RV7AIOUGVPT

not attested not anchored not stored refs pending

Hard X-ray emission in the star-forming region ON2: discovery with XMM-Newton

A. Feldmeier, L.M. Oskinova, R.A. Gruendl, R. Ignace, W.-R. Hamann, Y.-H. Chu

arxiv:1001.4798 v2 · 2010-01-26 · 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{QDDISCNI6N3ER45RV7AIOUGVPT}

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	2026-05-18T02:09:29.532079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80c68909a8f37648f3b1afc08750d57cea532fcea302ebd5e6f8b2f38e580e45

Aliases

arxiv: 1001.4798 · arxiv_version: 1001.4798v2 · doi: 10.48550/arxiv.1001.4798 · pith_short_12: QDDISCNI6N3E · pith_short_16: QDDISCNI6N3ER45R · pith_short_8: QDDISCNI

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/QDDISCNI6N3ER45RV7AIOUGVPT \
  | 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: 80c68909a8f37648f3b1afc08750d57cea532fcea302ebd5e6f8b2f38e580e45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00ebd24c560c2b832b9ed905f34856531c7157b221e58a314040f261b928bf09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-01-26T21:00:44Z",
    "title_canon_sha256": "af2644af4e498d42bff9e83ec878fc3b1889f9cc6660df5cf7220d2704eba1b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.4798",
    "kind": "arxiv",
    "version": 2
  }
}