Pith Number

pith:XRSXODYX

pith:2013:XRSXODYXCZUKVS5CNTW5DYC44V

not attested not anchored not stored refs pending

Neutral atomic hydrogen (HI) gas evolution in field galaxies at z ~ 0.1 and 0.2

Frank H. Briggs, Jayaram N. Chengalur, Jonghwan Rhee, Martin A. Zwaan, Philip Lah, Thijs van der Hulst, Tom Oosterloo

arxiv:1308.1462 v1 · 2013-08-07 · 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{XRSXODYXCZUKVS5CNTW5DYC44V}

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	2026-05-18T01:48:22.879453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc65770f171668aacba26cedd1e05ce5464601e4a72cf65f694f5da76dd9ec77

Aliases

arxiv: 1308.1462 · arxiv_version: 1308.1462v1 · doi: 10.48550/arxiv.1308.1462 · pith_short_12: XRSXODYXCZUK · pith_short_16: XRSXODYXCZUKVS5C · pith_short_8: XRSXODYX

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/XRSXODYXCZUKVS5CNTW5DYC44V \
  | 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: bc65770f171668aacba26cedd1e05ce5464601e4a72cf65f694f5da76dd9ec77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4be6cfdfa29c7f7ac7a89abd0ae4bc2582d015362d3a5b2d75f841ea3e1c5198",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-08-07T01:22:23Z",
    "title_canon_sha256": "b94e9d409f87f21f9070f938305c1e39ba2b42c5324ab42162868174848accc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1462",
    "kind": "arxiv",
    "version": 1
  }
}