Pith Number

pith:DODXQ7X3

pith:2025:DODXQ7X3W4SISHTBLC2SWPNNI6

not attested not anchored not stored refs pending

Considering contact forces during the formation of planetesimals by gravitational collapse: mutual orbits, spin states, and shapes

Jackson T. Barnes, Seth A. Jacobson, Stephen R. Schwartz

arxiv:2507.16739 v1 · 2025-07-22 · 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{DODXQ7X3W4SISHTBLC2SWPNNI6}

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	2026-07-05T11:41:30.196230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b87787efbb724891e6158b52b3dad4795a0b4cd60c4651f12fa97b336ac7284

Aliases

arxiv: 2507.16739 · arxiv_version: 2507.16739v1 · doi: 10.48550/arxiv.2507.16739 · pith_short_12: DODXQ7X3W4SI · pith_short_16: DODXQ7X3W4SISHTB · pith_short_8: DODXQ7X3

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/DODXQ7X3W4SISHTBLC2SWPNNI6 \
  | 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: 1b87787efbb724891e6158b52b3dad4795a0b4cd60c4651f12fa97b336ac7284

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9de5e76d83bd39ffd553d1e65285f6688d698685c7b286c5e60d002ebff67b6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-07-22T16:24:51Z",
    "title_canon_sha256": "028a50438b4a8811a77a7598b793f7a79bff62762c0f334f4b2ce2dfe1b1609b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.16739",
    "kind": "arxiv",
    "version": 1
  }
}