Pith Number

pith:K64XSVOR

pith:2008:K64XSVOR5FAZFVNLFHQSC3C4JJ

not attested not anchored not stored refs pending

Proplyds and Massive Disks in the Orion Nebula Cluster Imaged with CARMA and SMA

C. Qi, D. Wilner, J. A. Eisner, John M. Carpenter, R. L. Plambeck, S. A. Corder

arxiv:0803.3217 v1 · 2008-03-21 · 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{K64XSVOR5FAZFVNLFHQSC3C4JJ}

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	2026-07-04T17:09:55.722455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57b97955d1e94192d5ab29e1216c5c4a649cd59f1772a032e238ed1527b0b276

Aliases

arxiv: 0803.3217 · arxiv_version: 0803.3217v1 · doi: 10.48550/arxiv.0803.3217 · pith_short_12: K64XSVOR5FAZ · pith_short_16: K64XSVOR5FAZFVNL · pith_short_8: K64XSVOR

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/K64XSVOR5FAZFVNLFHQSC3C4JJ \
  | 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: 57b97955d1e94192d5ab29e1216c5c4a649cd59f1772a032e238ed1527b0b276

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf8ca5fecdb73adc6ec0bea18617bdb241a4362ed6b9ada9beda2c572f63803c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-03-21T20:00:10Z",
    "title_canon_sha256": "cdb08356b748799dc539c09e4ca414bd9d9ba602a51990a0f7e54ba204977d0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.3217",
    "kind": "arxiv",
    "version": 1
  }
}