Pith Number

pith:MPRICCOG

pith:2018:MPRICCOGDPK2KQB3PFW6V2JQQP

not attested not anchored not stored refs pending

Spectrally Resolved Mid-Infrared Molecular Emission from Protoplanetary Disks and the Chemical Fingerprint of Planetesimal Formation

Colette Salyk, Curtis DeWitt, Joan R. Najita, John H. Lacy, John S. Carr, Matthew J. Richter

arxiv:1807.03406 v1 · 2018-07-09 · astro-ph.SR · astro-ph.EP · 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{MPRICCOGDPK2KQB3PFW6V2JQQP}

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	2026-05-18T00:08:38.240661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63e28109c61bd5a5403b796deae93083f7aba9a7a7f6072143b22aeec52664a7

Aliases

arxiv: 1807.03406 · arxiv_version: 1807.03406v1 · doi: 10.48550/arxiv.1807.03406 · pith_short_12: MPRICCOGDPK2 · pith_short_16: MPRICCOGDPK2KQB3 · pith_short_8: MPRICCOG

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/MPRICCOGDPK2KQB3PFW6V2JQQP \
  | 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: 63e28109c61bd5a5403b796deae93083f7aba9a7a7f6072143b22aeec52664a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "393536700f7ccb9db28a08c8285ddec6c988e483a5373cdbebdd37ce9d1d33c8",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-07-09T22:22:47Z",
    "title_canon_sha256": "a520ac64f530fb6d8acdf38cb4261ef0bea0143b6586bfcc70ec7832cad4c534"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.03406",
    "kind": "arxiv",
    "version": 1
  }
}