Pith Number

pith:J2P5LCKO

pith:2010:J2P5LCKOMLKMALSSUN6LJHLDGM

not attested not anchored not stored refs pending

A translucent interstellar cloud at z=2.69: CO, H2 and HD in the line-of-sight to SDSS J123714.60+064759.5

C. Ledoux, P. Noterdaeme, P. Petitjean, R. Srianand, S.D. Vergani, S. Lopez

arxiv:1008.0637 v1 · 2010-08-03 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J2P5LCKOMLKMALSSUN6LJHLDGM}

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	2026-05-18T02:05:59.661451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e9fd5894e62d4c02e52a37cb49d63330d0f2b2776f0adea2d8ff9b2f1419d13

Aliases

arxiv: 1008.0637 · arxiv_version: 1008.0637v1 · doi: 10.48550/arxiv.1008.0637 · pith_short_12: J2P5LCKOMLKM · pith_short_16: J2P5LCKOMLKMALSS · pith_short_8: J2P5LCKO

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/J2P5LCKOMLKMALSSUN6LJHLDGM \
  | 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: 4e9fd5894e62d4c02e52a37cb49d63330d0f2b2776f0adea2d8ff9b2f1419d13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f798c1fb4922c605729bcc657944c93e91d48e01db95cc79a27a7eb80762a728",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-08-03T20:00:02Z",
    "title_canon_sha256": "a71e29be0101a9846567d8a70e71bcca5746dbcffe3e375bde33d50909910e19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.0637",
    "kind": "arxiv",
    "version": 1
  }
}