Pith Number

pith:2VDZP2WD

pith:2008:2VDZP2WD7JTIC4TQZ34WBYMMJX

not attested not anchored not stored refs pending

The Solar-System-Scale Disk Around AB Aurigae

(2) Columbia, (3) IfA Hawaii, (4) UC Berkeley, (5) Cornell, (6) Boeing), Anand Sivaramakrishnan (1), Ben R. Oppenheimer (1), David M. Harrington (3) ((1)AMNH, Douglas Brenner (1), James P. Lloyd (5), James R. Graham (4), Jeffrey Kuhn (3), Jr. (6), Lewis C. Roberts, Marshall Perrin (4), Neil Zimmerman (2), Remi Soummer (1), Sasha Hinkley (2)

arxiv:0803.3629 v1 · 2008-03-25 · 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{2VDZP2WD7JTIC4TQZ34WBYMMJX}

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	2026-05-18T03:48:11.156990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d54797eac3fa66817270cef960e18c4df5d6df3e17ab23763cb84ed8d192e0f9

Aliases

arxiv: 0803.3629 · arxiv_version: 0803.3629v1 · doi: 10.48550/arxiv.0803.3629 · pith_short_12: 2VDZP2WD7JTI · pith_short_16: 2VDZP2WD7JTIC4TQ · pith_short_8: 2VDZP2WD

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/2VDZP2WD7JTIC4TQZ34WBYMMJX \
  | 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: d54797eac3fa66817270cef960e18c4df5d6df3e17ab23763cb84ed8d192e0f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83f89c7f95e143841115d43a440b346945cc466f5fb096e4c6f1df369e1b7278",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-03-25T20:17:45Z",
    "title_canon_sha256": "9e8c381cf646584bd7e3445c1eba19d5afed27987962b7ca3b53513a10f8e5c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.3629",
    "kind": "arxiv",
    "version": 1
  }
}