Pith Number

pith:GGWQWST3

pith:2013:GGWQWST3IBCM5SDWIWEK7TYFKT

not attested not anchored not stored refs pending

X-ray ionization rates in protoplanetary discs

A. Glassgold, B. Ercolano (USM-LMU, (Berkeley), Exc-Cluster Munich)

arxiv:1309.6537 v1 · 2013-09-25 · astro-ph.GA · 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{GGWQWST3IBCM5SDWIWEK7TYFKT}

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	2026-05-18T01:47:26.824872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31ad0b4a7b4044cec8764588afcf0554e58c1dba878598f0c7b4f59633632a74

Aliases

arxiv: 1309.6537 · arxiv_version: 1309.6537v1 · doi: 10.48550/arxiv.1309.6537 · pith_short_12: GGWQWST3IBCM · pith_short_16: GGWQWST3IBCM5SDW · pith_short_8: GGWQWST3

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/GGWQWST3IBCM5SDWIWEK7TYFKT \
  | 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: 31ad0b4a7b4044cec8764588afcf0554e58c1dba878598f0c7b4f59633632a74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5558a60422139bd021c94ae49278661d0eaf34bfa76fc09f814bb39fecc4e14b",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-09-25T14:56:12Z",
    "title_canon_sha256": "70dd8e0a601ab75a6d65889d969c7cf50e87968a6ec116bc803eab961e7c0f65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6537",
    "kind": "arxiv",
    "version": 1
  }
}