Pith Number

pith:OOOF7F52

pith:2009:OOOF7F524LSZWYLTZP7RPK3X7X

not attested not anchored not stored refs pending

Can gas in young debris disks be constrained by their radial brightness profiles?

Alexander V. Krivov, Alexis Brandeker, Fabian Herrmann, Philippe Th\'ebault

arxiv:0909.4225 v2 · 2009-09-23 · astro-ph.EP · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OOOF7F524LSZWYLTZP7RPK3X7X}

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	2026-05-18T02:11:44.833131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

739c5f97bae2e59b6173cbff17ab77fdf2f85565f732f1ad2791963ef7cb76a8

Aliases

arxiv: 0909.4225 · arxiv_version: 0909.4225v2 · doi: 10.48550/arxiv.0909.4225 · pith_short_12: OOOF7F524LSZ · pith_short_16: OOOF7F524LSZWYLT · pith_short_8: OOOF7F52

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/OOOF7F524LSZWYLTZP7RPK3X7X \
  | 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: 739c5f97bae2e59b6173cbff17ab77fdf2f85565f732f1ad2791963ef7cb76a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e02879b21728ae07ecaad042247c032bfaaf52b3165fd4d22b16a183bc8ce70",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-09-23T15:40:04Z",
    "title_canon_sha256": "2d9f35fdab53aba7939e4ed1b97481b1711ecfdfd0b68f4e69a223dcf2554a1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4225",
    "kind": "arxiv",
    "version": 2
  }
}