Pith Number

pith:ZP6UWMRU

pith:2012:ZP6UWMRU3NCIADQVRPYZILDUJT

not attested not anchored not stored refs pending

Metallicities, dust and molecular content of a QSO-Damped Lyman-{\alpha} system reaching log N (H i) = 22: An analog to GRB-DLAs

C. Ledoux, H. Rahmani, P. Noterdaeme, P. Petitjean, R. Guimar\~aes, R. Srianand, S. Lopez

arxiv:1205.2322 v1 · 2012-05-10 · 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{ZP6UWMRU3NCIADQVRPYZILDUJT}

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	2026-05-18T01:57:33.737143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbfd4b3234db44800e158bf1942c744cc1cd0b060b8edf570c36b7bfb66d8e77

Aliases

arxiv: 1205.2322 · arxiv_version: 1205.2322v1 · doi: 10.48550/arxiv.1205.2322 · pith_short_12: ZP6UWMRU3NCI · pith_short_16: ZP6UWMRU3NCIADQV · pith_short_8: ZP6UWMRU

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/ZP6UWMRU3NCIADQVRPYZILDUJT \
  | 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: cbfd4b3234db44800e158bf1942c744cc1cd0b060b8edf570c36b7bfb66d8e77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bdf29cffd2a90a1634b3c66f68dd78e343d8bc894d765f600f631ccb7d83cca",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-10T17:45:16Z",
    "title_canon_sha256": "261a4366c406cf8f7d4956810e80977840495090940eb5291d5af8893498ab82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2322",
    "kind": "arxiv",
    "version": 1
  }
}