Pith Number

pith:ZHQLJAGZ

pith:2013:ZHQLJAGZNSFBGELT63RMUGZGB6

not attested not anchored not stored refs pending

Accretion through the inner edges of protoplanetary disks by a giant solid state pump

Gerhard Wurm, Thorben Kelling

arxiv:1308.0921 v1 · 2013-08-05 · 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{ZHQLJAGZNSFBGELT63RMUGZGB6}

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	2026-05-18T01:48:23.924781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9e0b480d96c8a131173f6e2ca1b260f8b026509e9f6cc94a41901d645b1241b

Aliases

arxiv: 1308.0921 · arxiv_version: 1308.0921v1 · doi: 10.48550/arxiv.1308.0921 · pith_short_12: ZHQLJAGZNSFB · pith_short_16: ZHQLJAGZNSFBGELT · pith_short_8: ZHQLJAGZ

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/ZHQLJAGZNSFBGELT63RMUGZGB6 \
  | 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: c9e0b480d96c8a131173f6e2ca1b260f8b026509e9f6cc94a41901d645b1241b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f192fc2760b6d09f486a107f5a549ec9c4107cb80665d6fc670ee87189351c01",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-08-05T09:46:04Z",
    "title_canon_sha256": "1576bc34f2d9559d623ae07ce678a74a9cb440df9e75460e3f7614479a447791"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0921",
    "kind": "arxiv",
    "version": 1
  }
}