Pith Number

pith:LAUCQEGR

pith:2011:LAUCQEGRO7J75NJPPZVQZBVOS2

not attested not anchored not stored refs pending

HST/COS Spectra of DF Tau and V4046 SGR: First Detection of Molecular Hydrogen Absorption Against the Ly$\alpha$ Emission Line

Hao Yang, Jeffrey L. Linsky, Kevin France

arxiv:1102.3659 v1 · 2011-02-17 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LAUCQEGRO7J75NJPPZVQZBVOS2}

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	2026-05-18T02:03:09.790695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58282810d177d3feb52f7e6b0c86ae96ae0db0b122af9612da76587a0ea1cbe4

Aliases

arxiv: 1102.3659 · arxiv_version: 1102.3659v1 · doi: 10.48550/arxiv.1102.3659 · pith_short_12: LAUCQEGRO7J7 · pith_short_16: LAUCQEGRO7J75NJP · pith_short_8: LAUCQEGR

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/LAUCQEGRO7J75NJPPZVQZBVOS2 \
  | 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: 58282810d177d3feb52f7e6b0c86ae96ae0db0b122af9612da76587a0ea1cbe4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b359c380dd789929ce86189f6ba9eb755941508faa46300686985e89a5b436c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-02-17T19:00:45Z",
    "title_canon_sha256": "96ee320502996b791ebf58cb38b45aeac65722649c15e238a42df694486e0802"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3659",
    "kind": "arxiv",
    "version": 1
  }
}