Pith Number

pith:7TFOOUBH

pith:2016:7TFOOUBHYSD7NAN5HGPRUFDNDJ

not attested not anchored not stored refs pending

Neutral Gas Accretion onto Nearby Galaxies

Felix J. Lockman

arxiv:1612.00774 v1 · 2016-12-02 · 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{7TFOOUBHYSD7NAN5HGPRUFDNDJ}

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	2026-05-18T00:43:29.745282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fccae75027c487f681bd399f1a146d1a7afe05adbcfbb92b0ae95b419738d80f

Aliases

arxiv: 1612.00774 · arxiv_version: 1612.00774v1 · doi: 10.48550/arxiv.1612.00774 · pith_short_12: 7TFOOUBHYSD7 · pith_short_16: 7TFOOUBHYSD7NAN5 · pith_short_8: 7TFOOUBH

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/7TFOOUBHYSD7NAN5HGPRUFDNDJ \
  | 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: fccae75027c487f681bd399f1a146d1a7afe05adbcfbb92b0ae95b419738d80f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51b114c7a71fcfb6810da0cf0425b076ed54907f28f34a383debe08fa461e97e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-12-02T17:55:22Z",
    "title_canon_sha256": "19cf990d9b99d96f9297264c7bd9e582255b62312180389abb690771dabfff15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.00774",
    "kind": "arxiv",
    "version": 1
  }
}