Pith Number

pith:C7SBIQRM

pith:2009:C7SBIQRMHOEDRRAANOBRM4ILFY

not attested not anchored not stored refs pending

Spatially Resolved Mid-IR Imaging of the SR 21 Transition Disk

J.A. Eisner, J.D. Monnier, P. Tuthill, S. Lacour

arxiv:0905.3388 v1 · 2009-05-20 · 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{C7SBIQRMHOEDRRAANOBRM4ILFY}

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	2026-05-18T02:34:46.282739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17e414422c3b8838c4006b8316710b2e25c67a3fd7ac9b90d074158d2373b784

Aliases

arxiv: 0905.3388 · arxiv_version: 0905.3388v1 · doi: 10.48550/arxiv.0905.3388 · pith_short_12: C7SBIQRMHOED · pith_short_16: C7SBIQRMHOEDRRAA · pith_short_8: C7SBIQRM

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/C7SBIQRMHOEDRRAANOBRM4ILFY \
  | 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: 17e414422c3b8838c4006b8316710b2e25c67a3fd7ac9b90d074158d2373b784

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b0be45a361433ba72a2a5745f651b2c6eeacb940d23f2f75a588dd7ab332bcc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-05-20T20:13:37Z",
    "title_canon_sha256": "3849b4c026b605b8b785abbdf71764e26ba2ce04b4f4a57a8468e84ea6f94a13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3388",
    "kind": "arxiv",
    "version": 1
  }
}