Pith Number

pith:5OZOB7EE

pith:2008:5OZOB7EEM7HBIITKWSSLMJIHMV

not attested not anchored not stored refs pending

Photoevaporation of Protoplanetary Disks

A. Gaspar, E. Young, G. H. Rieke, J. Bally, J. Muzerolle, K. Y. L. Su, Z. Balog

arxiv:0807.3724 v1 · 2008-07-23 · 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{5OZOB7EEM7HBIITKWSSLMJIHMV}

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	2026-07-04T17:11:56.578675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebb2e0fc8467ce14226ab4a4b6250765437fd3b770a45656f223abcfaeb5cd45

Aliases

arxiv: 0807.3724 · arxiv_version: 0807.3724v1 · doi: 10.48550/arxiv.0807.3724 · pith_short_12: 5OZOB7EEM7HB · pith_short_16: 5OZOB7EEM7HBIITK · pith_short_8: 5OZOB7EE

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/5OZOB7EEM7HBIITKWSSLMJIHMV \
  | 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: ebb2e0fc8467ce14226ab4a4b6250765437fd3b770a45656f223abcfaeb5cd45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dee50511f72f03255481fd8b942affb1382ec38c9390fb6a94c271cc87b9d97",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-07-23T18:32:16Z",
    "title_canon_sha256": "ea3ef6a283b0631a1b473dffebed0f0407a07dd45def19010f48b4ad518e96fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.3724",
    "kind": "arxiv",
    "version": 1
  }
}