Pith Number

pith:L23P2REH

pith:2011:L23P2REHGXNOXDEZRXYN64664L

not attested not anchored not stored refs pending

The First Observations of Low Redshift Damped Lyman-alpha Systems with the Cosmic Origins Spectrograph

Chris Thom, Edward B. Jenkins, Jason Tumlinson, Jason X. Prochaska, Jessica Werk, John M. O'Meara, Joseph D. Meiring, Kenneth R. Sembach, Todd M. Tripp

arxiv:1102.3927 v1 · 2011-02-18 · 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{L23P2REHGXNOXDEZRXYN64664L}

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	2026-05-18T02:03:07.626016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5eb6fd448735daeb8c998df0df73dee2d7460bd504e585919e26358ad2b0810b

Aliases

arxiv: 1102.3927 · arxiv_version: 1102.3927v1 · doi: 10.48550/arxiv.1102.3927 · pith_short_12: L23P2REHGXNO · pith_short_16: L23P2REHGXNOXDEZ · pith_short_8: L23P2REH

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/L23P2REHGXNOXDEZRXYN64664L \
  | 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: 5eb6fd448735daeb8c998df0df73dee2d7460bd504e585919e26358ad2b0810b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d57376100e27dc839622dc87712ade407965f0d870cc4597b3b08d8b0f6e23d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-02-18T21:50:43Z",
    "title_canon_sha256": "bf72ac571bee59847df4c66d9c121c6a52946b48fa73246df77829915a3bbfa9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3927",
    "kind": "arxiv",
    "version": 1
  }
}