Pith Number

pith:OIQ2RJ4P

pith:2019:OIQ2RJ4P7HIOXHQPPSVQB3ZYYW

not attested not anchored not stored refs pending

How Drag Force Evolves in Global Common Envelope Simulations

Adam Frank, Eric G. Blackman, Jonathan Carroll-Nellenback, Luke Chamandy, Yangyuxin Zou, Yisheng Tu

arxiv:1908.06195 v2 · 2019-08-16 · astro-ph.SR · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OIQ2RJ4P7HIOXHQPPSVQB3ZYYW}

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	2026-07-05T00:12:04.763255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7221a8a78ff9d0eb9e0f7cab00ef38c5b9900ad70463613399c4cdb0146b30c9

Aliases

arxiv: 1908.06195 · arxiv_version: 1908.06195v2 · doi: 10.48550/arxiv.1908.06195 · pith_short_12: OIQ2RJ4P7HIO · pith_short_16: OIQ2RJ4P7HIOXHQP · pith_short_8: OIQ2RJ4P

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/OIQ2RJ4P7HIOXHQPPSVQB3ZYYW \
  | 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: 7221a8a78ff9d0eb9e0f7cab00ef38c5b9900ad70463613399c4cdb0146b30c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dee0205bb5c2d7eed4b084e3eb0870add2037ded46bb3c7abcfba596dbfa035",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-08-16T22:26:07Z",
    "title_canon_sha256": "e71162284fd7ea39b11ef37b6103fcd47de84807f6fe001f8fd42e73afcc3eea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06195",
    "kind": "arxiv",
    "version": 2
  }
}