Pith Number

pith:4WTVLDGW

pith:2010:4WTVLDGWGFY6XFMDP4B7F2UI5N

not attested not anchored not stored refs pending

Faint Resonantly Scattered Lyman Alpha Emission from the Absorption Troughs of Damped Lyman Alpha Systems at z ~ 3

Martin G. Haehnelt, Michael Rauch

arxiv:1011.4061 v1 · 2010-11-17 · 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{4WTVLDGWGFY6XFMDP4B7F2UI5N}

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	2026-05-18T02:04:44.325507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5a7558cd63171eb95837f03f2ea88eb5a8cdb700736a816f1cc300ca481b015

Aliases

arxiv: 1011.4061 · arxiv_version: 1011.4061v1 · doi: 10.48550/arxiv.1011.4061 · pith_short_12: 4WTVLDGWGFY6 · pith_short_16: 4WTVLDGWGFY6XFMD · pith_short_8: 4WTVLDGW

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/4WTVLDGWGFY6XFMDP4B7F2UI5N \
  | 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: e5a7558cd63171eb95837f03f2ea88eb5a8cdb700736a816f1cc300ca481b015

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27ec67ddca221e2329ae37c79c1cbe2e2cd1c5d471dbb115b1c5a9660b6b25a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-11-17T21:00:03Z",
    "title_canon_sha256": "9f16c86a2c66e66b6ee6c17abe11b978770045a43a5546ae019c72ef0fa7e081"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.4061",
    "kind": "arxiv",
    "version": 1
  }
}