Pith Number

pith:6DYHWBDU

pith:2015:6DYHWBDUQTECCKWPIQJDTU5WRV

not attested not anchored not stored refs pending

Discovery of a Damped Lya Absorber at z = 3.3 along a galaxy sight-line in the SSA22 field

A. K. Inoue, J. X. Prochaska, K. Kousai, K. Mawatari, R. Cooke, T. Hayashino, T. Yamada, Y. Matsuda

arxiv:1512.04625 v2 · 2015-12-15 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6DYHWBDUQTECCKWPIQJDTU5WRV}

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	2026-05-18T01:21:25.901527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0f07b047484c8212acf441239d3b68d540527d8158d9f46ae3dee3d540e0303

Aliases

arxiv: 1512.04625 · arxiv_version: 1512.04625v2 · doi: 10.48550/arxiv.1512.04625 · pith_short_12: 6DYHWBDUQTEC · pith_short_16: 6DYHWBDUQTECCKWP · pith_short_8: 6DYHWBDU

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/6DYHWBDUQTECCKWPIQJDTU5WRV \
  | 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: f0f07b047484c8212acf441239d3b68d540527d8158d9f46ae3dee3d540e0303

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30b66bb43f2a96452165d99592cccca28be849fc31540c049a70cf80f4566936",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-12-15T02:17:05Z",
    "title_canon_sha256": "ba1b9a6b7d03036ae24131cadac7289d7bf8cb340c85ecf20e9b4315171c91d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.04625",
    "kind": "arxiv",
    "version": 2
  }
}