Pith Number

pith:UPPZHK4J

pith:2015:UPPZHK4J5TBTLEA3S2AEWZADRO

not attested not anchored not stored refs pending

Building massive compact planetesimal disks from the accretion of pebbles

Debra Fischer, John Moriarty

arxiv:1507.08215 v1 · 2015-07-29 · 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{UPPZHK4J5TBTLEA3S2AEWZADRO}

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	2026-05-18T01:35:06.584013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3df93ab89ecc335901b96804b64038bbb9826f1adae99c8a81dccacddfa1db1

Aliases

arxiv: 1507.08215 · arxiv_version: 1507.08215v1 · doi: 10.48550/arxiv.1507.08215 · pith_short_12: UPPZHK4J5TBT · pith_short_16: UPPZHK4J5TBTLEA3 · pith_short_8: UPPZHK4J

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/UPPZHK4J5TBTLEA3S2AEWZADRO \
  | 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: a3df93ab89ecc335901b96804b64038bbb9826f1adae99c8a81dccacddfa1db1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be73ed9b400e59f2636e200b0445a54760996dcf5a78e0e31b8c4373d25222bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-07-29T16:50:59Z",
    "title_canon_sha256": "38a30be47feae97284b868c08dd0bfb35f4ce984a334fda8dd173ea204511583"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08215",
    "kind": "arxiv",
    "version": 1
  }
}