pith. sign in
Pith Number

pith:KZPX67VU

pith:2010:KZPX67VU4TG62W7UUWRP5RSFSB
not attested not anchored not stored refs pending

The Low-Redshift Lyman Alpha Forest toward 3C 273

E.B. Jenkins, G.M. Williger, K.R. Sembach, L. Haberzettl, R. Dav\'e, R.F. Carswell, R.J. Weymann, S.R. Heap, T.M. Tripp

arxiv:1002.3401 v1 · 2010-02-17 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{KZPX67VU4TG62W7UUWRP5RSFSB}

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 2026-05-18T02:08:59.930494Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

565f7f7eb4e4cded5bf4a5a2fec645905796bf901fd615ad33027860a7fba1e4

Aliases

arxiv: 1002.3401 · arxiv_version: 1002.3401v1 · doi: 10.48550/arxiv.1002.3401 · pith_short_12: KZPX67VU4TG6 · pith_short_16: KZPX67VU4TG62W7U · pith_short_8: KZPX67VU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/KZPX67VU4TG62W7UUWRP5RSFSB \
  | 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: 565f7f7eb4e4cded5bf4a5a2fec645905796bf901fd615ad33027860a7fba1e4
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7d0d89d057440105617ab1b6acc9295f6eb03b751bb2cdbe2cda33b890fa0847",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-02-17T23:43:06Z",
    "title_canon_sha256": "2f8f4bd478b67510b94b7f43d89062f3ea10b5a30e3defee42775cf29ddc5051"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.3401",
    "kind": "arxiv",
    "version": 1
  }
}