Pith Number

pith:6LNBJHCG

pith:2011:6LNBJHCGCUQ2KNTNAX5TB3SSKU

not attested not anchored not stored refs pending

The M81 Group Dwarf Irregular Galaxy DDO 165. I. High Velocity Neutral Gas in a Post-Starburst System

Andrew E. Dolphin, Anil Seth, Daniel R. Weisz, David Cook, Evan D. Skillman, Fabian Walter, Hans P. Most, Janice Lee, John M. Cannon, Jr., Robert C. Kennicutt, Steven R. Warren

arxiv:1104.0464 v1 · 2011-04-04 · 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{6LNBJHCGCUQ2KNTNAX5TB3SSKU}

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	2026-05-18T02:02:38.789234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2da149c461521a5366d05fb30ee52551d751388bef1741c301ca87e669cac5e

Aliases

arxiv: 1104.0464 · arxiv_version: 1104.0464v1 · doi: 10.48550/arxiv.1104.0464 · pith_short_12: 6LNBJHCGCUQ2 · pith_short_16: 6LNBJHCGCUQ2KNTN · pith_short_8: 6LNBJHCG

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/6LNBJHCGCUQ2KNTNAX5TB3SSKU \
  | 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: f2da149c461521a5366d05fb30ee52551d751388bef1741c301ca87e669cac5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d23890a59147115a73b36c2c2ff2e52b0ab8fb3d7fb42450f3495a4c31779df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-04T05:34:36Z",
    "title_canon_sha256": "292b2c9667ce912168e0f8573dbdc5afb74eac8d5fc37b3088310fd2a2ab5547"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0464",
    "kind": "arxiv",
    "version": 1
  }
}