Pith Number

pith:RVTU4NNP

pith:2013:RVTU4NNPPH6SXE2B45QTX5MB7X

not attested not anchored not stored refs pending

Viscous Evolution and Photoevaporation of Circumstellar Disks due to External FUV Radiation Fields

Fred C. Adams, Kassandra R. Anderson, Nuria Calvet

arxiv:1307.4368 v1 · 2013-07-16 · 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{RVTU4NNPPH6SXE2B45QTX5MB7X}

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	2026-05-18T01:48:49.510137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d674e35af79fd2b9341e7613bf581fdd7e58c25a1e6138c1b6aa902c967c2c9

Aliases

arxiv: 1307.4368 · arxiv_version: 1307.4368v1 · doi: 10.48550/arxiv.1307.4368 · pith_short_12: RVTU4NNPPH6S · pith_short_16: RVTU4NNPPH6SXE2B · pith_short_8: RVTU4NNP

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/RVTU4NNPPH6SXE2B45QTX5MB7X \
  | 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: 8d674e35af79fd2b9341e7613bf581fdd7e58c25a1e6138c1b6aa902c967c2c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af48eb3c595c0c451dd348fc3dd464b379ae1c21c4605dcce370d2225497b368",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-07-16T18:30:58Z",
    "title_canon_sha256": "fecdeeaf590ea8c110561a229e161467cdfce214de11b9831d01eee4b2f07e9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4368",
    "kind": "arxiv",
    "version": 1
  }
}