Pith Number

pith:RGDBEZ5B

pith:2012:RGDBEZ5B6NF66S35XVFIPIWVHG

not attested not anchored not stored refs pending

Ionized Gas in the Galactic Center: New Observations and Interpretation

John H. Lacy, Matthew J. Richter, Wesley T. Irons

arxiv:1206.2650 v1 · 2012-06-12 · 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{RGDBEZ5B6NF66S35XVFIPIWVHG}

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	2026-05-18T01:56:59.252467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89861267a1f34bef4b7dbd4a87a2d5399ab6882ef0007cc9d240d2364c151a32

Aliases

arxiv: 1206.2650 · arxiv_version: 1206.2650v1 · doi: 10.48550/arxiv.1206.2650 · pith_short_12: RGDBEZ5B6NF6 · pith_short_16: RGDBEZ5B6NF66S35 · pith_short_8: RGDBEZ5B

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/RGDBEZ5B6NF66S35XVFIPIWVHG \
  | 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: 89861267a1f34bef4b7dbd4a87a2d5399ab6882ef0007cc9d240d2364c151a32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88534e5310cc919d3a6218f94481ed3f9502d417327e6a5cbf0f4593ce3b2cb5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-06-12T20:02:49Z",
    "title_canon_sha256": "91cfafe40536f2bb15576d2f7ed30253770463ec27e25b80a86d892ec07ab03d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.2650",
    "kind": "arxiv",
    "version": 1
  }
}