Pith Number

pith:VT7FK6KR

pith:2018:VT7FK6KR6SPEMTPZ6V65X4FDMR

not attested not anchored not stored refs pending

Infrared Morphology of Regions of Ionized Hydrogen

A. P. Topchieva, D. S. Wiebe, M. S. Kirsanova, V. V. Krushinskii

arxiv:1801.08204 v3 · 2018-01-24 · 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{VT7FK6KR6SPEMTPZ6V65X4FDMR}

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	2026-05-18T00:22:38.896981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acfe557951f49e464df9f57ddbf0a36476ef53110b7f73eed3c70ff074f5c199

Aliases

arxiv: 1801.08204 · arxiv_version: 1801.08204v3 · doi: 10.48550/arxiv.1801.08204 · pith_short_12: VT7FK6KR6SPE · pith_short_16: VT7FK6KR6SPEMTPZ · pith_short_8: VT7FK6KR

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/VT7FK6KR6SPEMTPZ6V65X4FDMR \
  | 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: acfe557951f49e464df9f57ddbf0a36476ef53110b7f73eed3c70ff074f5c199

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ffb7ac7b788d06de7bc6910d47d1a8880c7568a9f0cd23de723599d6f7d9532",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-24T21:23:36Z",
    "title_canon_sha256": "9c1bdf6a111f95e3d4e6f1f498d760af693413770c1b76588402140a1094f0bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08204",
    "kind": "arxiv",
    "version": 3
  }
}