Pith Number

pith:IGGOFMQI

pith:2023:IGGOFMQIDSMNDRABCXSGQEWAWH

not attested not anchored not stored refs pending

The galaxy counterpart and environment of the dusty Damped Lyman-alpha Absorber at z=2.226 towards Q1218+0832

B. Milvang-Jensen, C. Ledoux, G. \"Ostlin, J.-K. Krogager, J. P. U. Fynbo, J. Viuho, K. E. Heintz, L. B. Christensen, P. M{\o}eller, S. J. Geier, S. Vejlgaard

arxiv:2308.15781 v2 · 2023-08-30 · 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{IGGOFMQIDSMNDRABCXSGQEWAWH}

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	2026-07-05T07:07:15.080646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

418ce2b2081c98d1c40115e46812c0b1e6fc0fe25ad0c769a9a25862fabb1326

Aliases

arxiv: 2308.15781 · arxiv_version: 2308.15781v2 · doi: 10.48550/arxiv.2308.15781 · pith_short_12: IGGOFMQIDSMN · pith_short_16: IGGOFMQIDSMNDRAB · pith_short_8: IGGOFMQI

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/IGGOFMQIDSMNDRABCXSGQEWAWH \
  | 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: 418ce2b2081c98d1c40115e46812c0b1e6fc0fe25ad0c769a9a25862fabb1326

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b110272094419e6ad7de5e6c3bcb78658741275173b5197f085e58202569fcf6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-08-30T06:27:17Z",
    "title_canon_sha256": "d791266a057983dc7a2ff35b97282947c9c37f502a5cdfdb9a035ac4b1c3dd75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.15781",
    "kind": "arxiv",
    "version": 2
  }
}