Pith Number

pith:RADWONAC

pith:2011:RADWONACZYO43GHAVZ52L3RPS7

not attested not anchored not stored refs pending

The Resolved Stellar Halo of NGC 253

(2) UWashington, (3) AIP), David J. Radburn-Smith (2), Eric F. Bell (1), Jeremy Bailin (1), Roelof S. de Jong (3) ((1) UMichigan, Samantha N. Chappell (1)

arxiv:1105.0005 v1 · 2011-04-29 · astro-ph.CO · 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{RADWONACZYO43GHAVZ52L3RPS7}

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	2026-05-18T02:02:10.870678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8807673402ce1dcd98e0ae7ba5ee2f97e6c268afad877a009fe17392206c124e

Aliases

arxiv: 1105.0005 · arxiv_version: 1105.0005v1 · doi: 10.48550/arxiv.1105.0005 · pith_short_12: RADWONACZYO4 · pith_short_16: RADWONACZYO43GHA · pith_short_8: RADWONAC

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/RADWONACZYO43GHAVZ52L3RPS7 \
  | 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: 8807673402ce1dcd98e0ae7ba5ee2f97e6c268afad877a009fe17392206c124e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b31af247d414505e7f4ca7d7351cc0113fa7d72eada873b06752936ab7ed76f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-29T20:00:03Z",
    "title_canon_sha256": "fbcdac83616f20814212e3fe2233a93abb967d51c8df2b15192f6526a7e81abb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.0005",
    "kind": "arxiv",
    "version": 1
  }
}