Pith Number

pith:4M6WF4OI

pith:2022:4M6WF4OIMT2TPWDQ2KYQMTKZBD

not attested not anchored not stored refs pending

The Bimodal Absorption System Imaging Campaign (BASIC) I. A Dual Population of Low-metallicity Absorbers at z $<1$

Andrew J. Fox, Benjamin D. Oppenheimer, Jason Tumlinson, J. Christopher Howk, Jessica K. Werk, John M. O'Meara, Joop Schaye, Joseph Ribaudo, J. Xavier Prochaska, Kathy L. Cooksey, Lorrie A. Straka, Martin Wendt, Michelle A. Berg, Molly S. Peeples, Neal Katz, Nicolas Lehner, Rongmon Bordoloi, Sean D. Johnson, Sowgat Muzahid, Todd M. Tripp

arxiv:2204.13229 v2 · 2022-04-27 · 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{4M6WF4OIMT2TPWDQ2KYQMTKZBD}

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	2026-07-05T05:43:48.924364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e33d62f1c864f537d870d2b1064d5908fa076031362c0ab7df8cc5789e69852d

Aliases

arxiv: 2204.13229 · arxiv_version: 2204.13229v2 · doi: 10.48550/arxiv.2204.13229 · pith_short_12: 4M6WF4OIMT2T · pith_short_16: 4M6WF4OIMT2TPWDQ · pith_short_8: 4M6WF4OI

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/4M6WF4OIMT2TPWDQ2KYQMTKZBD \
  | 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: e33d62f1c864f537d870d2b1064d5908fa076031362c0ab7df8cc5789e69852d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b0c4234a9bad0ab225b96544ad81da90e76ba5f6cbe198fff11c20989c78a08",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-04-27T23:45:28Z",
    "title_canon_sha256": "b16784db411251acb04b53b1f74e229ef6392c368f21329bcdde1d9dc2b10f7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.13229",
    "kind": "arxiv",
    "version": 2
  }
}