Pith Number

pith:MBPSONGJ

pith:2018:MBPSONGJXZGIMOKNI4KSIVLBBI

not attested not anchored not stored refs pending

Investigating the perturbed geometries of vortex rings in free fall through another liquid

Dripto Biswas

arxiv:1805.07926 v1 · 2018-05-21 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MBPSONGJXZGIMOKNI4KSIVLBBI}

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	2026-05-18T00:15:32.145361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

605f2734c9be4c86394d47152455610a27442d0012474eff4d56020912c029f2

Aliases

arxiv: 1805.07926 · arxiv_version: 1805.07926v1 · doi: 10.48550/arxiv.1805.07926 · pith_short_12: MBPSONGJXZGI · pith_short_16: MBPSONGJXZGIMOKN · pith_short_8: MBPSONGJ

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/MBPSONGJXZGIMOKNI4KSIVLBBI \
  | 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: 605f2734c9be4c86394d47152455610a27442d0012474eff4d56020912c029f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9ee802e0524676b21062fce95fe4df5c942fd392dd6e800e17ef21478db534f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-05-21T07:30:32Z",
    "title_canon_sha256": "3397658407d42d717c27fe8d23b5e0ed27569f6f5832fe379d81a8504f59834b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07926",
    "kind": "arxiv",
    "version": 1
  }
}