Pith Number

pith:IIWEGL65

pith:2011:IIWEGL65EGNZWMLJD6Z4K2LWGN

not attested not anchored not stored refs pending

Photoelectric cross-sections of gas and dust in protoplanetary disks

Edwin Bergin, Thomas Bethell

arxiv:1107.3515 v1 · 2011-07-18 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IIWEGL65EGNZWMLJD6Z4K2LWGN}

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	2026-05-18T02:01:15.386243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

422c432fdd219b9b31691fb3c56976336566470562be98f25234455cf5eca966

Aliases

arxiv: 1107.3515 · arxiv_version: 1107.3515v1 · doi: 10.48550/arxiv.1107.3515 · pith_short_12: IIWEGL65EGNZ · pith_short_16: IIWEGL65EGNZWMLJ · pith_short_8: IIWEGL65

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/IIWEGL65EGNZWMLJD6Z4K2LWGN \
  | 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: 422c432fdd219b9b31691fb3c56976336566470562be98f25234455cf5eca966

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd7e0e82f20f49bf96331af055db2aa8f6baca3a95ff884ae1956613fc1fd3e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-07-18T17:43:01Z",
    "title_canon_sha256": "daac1f2c9b53e204015a740872b77a7bfb3fa699f089e40509e7fc20e601ca65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.3515",
    "kind": "arxiv",
    "version": 1
  }
}