Pith Number

pith:3Z7P4OAH

pith:2010:3Z7P4OAH2DFHL6YA46Q2STEFZW

not attested not anchored not stored refs pending

The High-Density Ionized Gas in the Central Parsec of the Galaxy

Daniel P. Marrone, Dennis Downes, James M. Moran, Jun-Hui Zhao, Karl F. Schuster, Ray Blundell

arxiv:1009.1401 v1 · 2010-09-07 · 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{3Z7P4OAH2DFHL6YA46Q2STEFZW}

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	2026-05-18T02:05:35.361927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de7efe3807d0ca75fb00e7a1a94c85cd967de255df37c71c86f3a9739d792bf8

Aliases

arxiv: 1009.1401 · arxiv_version: 1009.1401v1 · doi: 10.48550/arxiv.1009.1401 · pith_short_12: 3Z7P4OAH2DFH · pith_short_16: 3Z7P4OAH2DFHL6YA · pith_short_8: 3Z7P4OAH

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/3Z7P4OAH2DFHL6YA46Q2STEFZW \
  | 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: de7efe3807d0ca75fb00e7a1a94c85cd967de255df37c71c86f3a9739d792bf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23617a1da060d51be3fa1cfab259511eaee95157bf4f1f07651b004a41c574d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-09-07T20:50:18Z",
    "title_canon_sha256": "1eda82266e25b27a0f3eb83a4f8d0850f658426fcf4e09baaf6501ecdf367944"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1401",
    "kind": "arxiv",
    "version": 1
  }
}