Pith Number

pith:3PCZTQDZ

pith:2010:3PCZTQDZGHQEP3TLOE2OJD4JCQ

not attested not anchored not stored refs pending

A Spitzer survey of mid-infrared molecular emission from protoplanetary disks I: Detection rates

Colette Salyk, Geoffrey A. Blake, Joan Najita, John S. Carr, Klaus M. Pontoppidan, Rowin Meijerink

arxiv:1006.4189 v1 · 2010-06-21 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3PCZTQDZGHQEP3TLOE2OJD4JCQ}

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	2026-05-18T02:06:43.890577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbc599c07931e047ee6b7134e48f89141b407f8bf6e391d088c834ad658f519b

Aliases

arxiv: 1006.4189 · arxiv_version: 1006.4189v1 · doi: 10.48550/arxiv.1006.4189 · pith_short_12: 3PCZTQDZGHQE · pith_short_16: 3PCZTQDZGHQEP3TL · pith_short_8: 3PCZTQDZ

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/3PCZTQDZGHQEP3TLOE2OJD4JCQ \
  | 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: dbc599c07931e047ee6b7134e48f89141b407f8bf6e391d088c834ad658f519b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23051a3975f84a4ef958bee55beccf302bc6b9f0e70f6362e9e12c28f444999a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2010-06-21T22:35:55Z",
    "title_canon_sha256": "bd0bbfe9a8e85f9b04525a0c13c541885f19654bf879c709eb5f06e2d623d1fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.4189",
    "kind": "arxiv",
    "version": 1
  }
}