Pith Number

pith:5GWOFGOZ

pith:2008:5GWOFGOZDR2WN535C4QAGVEEW4

not attested not anchored not stored refs pending

A slowly accreting ~10 Myr old transitional disk in Orion OB1a

B. Sargent, C. Briceno, C. Espaillat, D. M. Watson, J. Hernandez, J. Muzerolle, L. Hartmann, M. McClure, N. Calvet, P. D'Alessio

arxiv:0810.4575 v1 · 2008-10-25 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5GWOFGOZDR2WN535C4QAGVEEW4}

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	2026-07-04T17:13:19.985607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9ace299d91c7566f77d1720035484b736a1580daf2ba10c03d1bd3561d5a92d

Aliases

arxiv: 0810.4575 · arxiv_version: 0810.4575v1 · doi: 10.48550/arxiv.0810.4575 · pith_short_12: 5GWOFGOZDR2W · pith_short_16: 5GWOFGOZDR2WN535 · pith_short_8: 5GWOFGOZ

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/5GWOFGOZDR2WN535C4QAGVEEW4 \
  | 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: e9ace299d91c7566f77d1720035484b736a1580daf2ba10c03d1bd3561d5a92d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "952de24455c0390726d66a823de0e3b66633b012b1df67af15a131dffacd37c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-25T04:58:11Z",
    "title_canon_sha256": "6dcfb8a0ede2094a3b84212f9f5bcfe091d754f022dcbf0cf52235b3cda0f19b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.4575",
    "kind": "arxiv",
    "version": 1
  }
}