Pith Number

pith:DVSQAKFC

pith:2019:DVSQAKFCQ5J5BCOOZ5UYTPGECS

not attested not anchored not stored refs pending

The M31/M33 tidal interaction: A hydrodynamic simulation of the extended gas distribution

Di Li, Joss Bland-Hawthorn, Thor Tepper-Garc\'ia

arxiv:1911.11911 v2 · 2019-11-27 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DVSQAKFCQ5J5BCOOZ5UYTPGECS}

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	2026-07-05T00:38:08.079813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d650028a28753d089cecf6989bcc414becdadbbf07487487a3d8bb76e93394d

Aliases

arxiv: 1911.11911 · arxiv_version: 1911.11911v2 · doi: 10.48550/arxiv.1911.11911 · pith_short_12: DVSQAKFCQ5J5 · pith_short_16: DVSQAKFCQ5J5BCOO · pith_short_8: DVSQAKFC

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/DVSQAKFCQ5J5BCOOZ5UYTPGECS \
  | 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: 1d650028a28753d089cecf6989bcc414becdadbbf07487487a3d8bb76e93394d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f49f723ff414d1ab3f398dce6fdc7f50b6f2370520355ddcc6f5af2afb6fb2f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-11-27T01:58:26Z",
    "title_canon_sha256": "25fbbe21e2af4189bd1abfab4bb851d8e9e3828143389ac0c1a8a35c4a6db5aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.11911",
    "kind": "arxiv",
    "version": 2
  }
}