Pith Number

pith:TMFB37MP

pith:2018:TMFB37MPCJZR6N5V5YTFO5ROTF

not attested not anchored not stored refs pending

The First Detection of Neutral Hydrogen in Emission in a Strong Spiral Lens

Adam Bolton, Andrew Lipnicky, Carl Heiles, David Frayer, Leo Blitz, Melvyn C. H. Wright, Roger Blandford, Sukanya Chakrabarti, William Cotton, Yiping Shu

arxiv:1802.01588 v1 · 2018-02-05 · 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{TMFB37MPCJZR6N5V5YTFO5ROTF}

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	2026-05-18T00:22:22.678624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b0a1dfd8f12731f37b5ee2657762e996ea0da21d64076e6d78a6e83fd0b2fa5

Aliases

arxiv: 1802.01588 · arxiv_version: 1802.01588v1 · doi: 10.48550/arxiv.1802.01588 · pith_short_12: TMFB37MPCJZR · pith_short_16: TMFB37MPCJZR6N5V · pith_short_8: TMFB37MP

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/TMFB37MPCJZR6N5V5YTFO5ROTF \
  | 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: 9b0a1dfd8f12731f37b5ee2657762e996ea0da21d64076e6d78a6e83fd0b2fa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88859fb3bd52a6d9d157f69d711608087b029de8aadec7e34b709edfe14667e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-02-05T19:00:05Z",
    "title_canon_sha256": "5453df6478c80f7549d3ba9b23e4877307fb70fb670cab49bf8a478aafeaaf89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01588",
    "kind": "arxiv",
    "version": 1
  }
}