Pith Number

pith:CDCXZPR7

pith:2015:CDCXZPR7WBF7E54PQJ2XVYJFHF

not attested not anchored not stored refs pending

Dimming and CO absorption toward the AA Tau protoplanetary disk: An infalling flow caused by disk instability?

Colette Salyk, Geoffrey A. Blake, John M. Carpenter, Ke Zhang, Klaus Pontoppidan, Nathan Crockett, Neal J. Turner

arxiv:1503.06359 v1 · 2015-03-21 · astro-ph.SR · 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{CDCXZPR7WBF7E54PQJ2XVYJFHF}

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	2026-05-18T02:03:33.540281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10c57cbe3fb04bf2778f82757ae1253954f03b5479f70c670c6b37e275df2a09

Aliases

arxiv: 1503.06359 · arxiv_version: 1503.06359v1 · doi: 10.48550/arxiv.1503.06359 · pith_short_12: CDCXZPR7WBF7 · pith_short_16: CDCXZPR7WBF7E54P · pith_short_8: CDCXZPR7

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/CDCXZPR7WBF7E54PQJ2XVYJFHF \
  | 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: 10c57cbe3fb04bf2778f82757ae1253954f03b5479f70c670c6b37e275df2a09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44e7e2d1aed869fcf6c7be30e26f71807253ba1ca2e3b738c7d3d4ca37ebc701",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-03-21T22:18:48Z",
    "title_canon_sha256": "c293857ae2ba77191cab9b8d67d2b02a361cdbea373775c6ff825f9d38025145"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06359",
    "kind": "arxiv",
    "version": 1
  }
}