Pith Number

pith:DBK7N7HE

pith:2013:DBK7N7HEPJLQRLGVHIWIWD4PWY

not attested not anchored not stored refs pending

Molecular hydrogen in the z = 2.66 damped Lyman-alpha absorber toward Q J0643-5041

C. Ledoux, D. Albornoz V\'asquez, H. Rahmani, P. Noterdaeme, P. Petitjean, R. Srianand

arxiv:1310.8569 v1 · 2013-10-31 · 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{DBK7N7HEPJLQRLGVHIWIWD4PWY}

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	2026-05-18T02:52:23.411276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1855f6fce47a5708acd53a2c8b0f8fb63946229f04f9a1e999820d0e42c18b50

Aliases

arxiv: 1310.8569 · arxiv_version: 1310.8569v1 · doi: 10.48550/arxiv.1310.8569 · pith_short_12: DBK7N7HEPJLQ · pith_short_16: DBK7N7HEPJLQRLGV · pith_short_8: DBK7N7HE

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/DBK7N7HEPJLQRLGVHIWIWD4PWY \
  | 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: 1855f6fce47a5708acd53a2c8b0f8fb63946229f04f9a1e999820d0e42c18b50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9476c81cf7b5121ce3eafbd09e3cbc0a5de3b88de333c8b29bfe1f7d53dd5dc2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-10-31T16:12:12Z",
    "title_canon_sha256": "a26c9b5a184c853dc1cf8899978903f7b50cdc1323309be9eef7b64eb50f1af2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.8569",
    "kind": "arxiv",
    "version": 1
  }
}