Pith Number

pith:U4XARA54

pith:2012:U4XARA545LFEFQ763RHPJXS6TL

not attested not anchored not stored refs pending

On the Origin of the Supergiant HI Shell and Putative Companion in NGC 6822

Andrew A. Cole, Andrew E. Dolphin, Daniel R. Weisz, Erin M. O'Leary, Evan D. Skillman, Fabian Walter, Frank Bigiel, John M. Cannon, W. J. G. de Blok

arxiv:1201.3149 v1 · 2012-01-16 · 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{U4XARA545LFEFQ763RHPJXS6TL}

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	2026-05-18T01:58:49.028857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a72e0883bceaca42c3fedc4ef4de5e9ae2436abcb3ce2636a25e62b4d596e6e1

Aliases

arxiv: 1201.3149 · arxiv_version: 1201.3149v1 · doi: 10.48550/arxiv.1201.3149 · pith_short_12: U4XARA545LFE · pith_short_16: U4XARA545LFEFQ76 · pith_short_8: U4XARA54

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/U4XARA545LFEFQ763RHPJXS6TL \
  | 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: a72e0883bceaca42c3fedc4ef4de5e9ae2436abcb3ce2636a25e62b4d596e6e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90baf86637b05e5b842787b1d191c91db231631b10aa56eff0d3e01c08e0c3a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-16T01:42:04Z",
    "title_canon_sha256": "3172f819879dd7c3672c5ca20d5dfbac1ea87d7e707acb1f1c41b51082880239"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3149",
    "kind": "arxiv",
    "version": 1
  }
}