Pith Number

pith:5VBDPVYR

pith:2018:5VBDPVYR2SB3C36SQTXFZBES3N

not attested not anchored not stored refs pending

An inverse technique for reconstructing ocean's density stratification from surface data

Anirban Guha, Subhajit Kar

arxiv:1810.11691 v4 · 2018-10-27 · physics.flu-dyn · physics.ao-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5VBDPVYR2SB3C36SQTXFZBES3N}

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	2026-05-17T23:42:15.340388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed4237d711d483b16fd284ee5c8492db4c4a780dcd69b7c6d719a8deb2cf412b

Aliases

arxiv: 1810.11691 · arxiv_version: 1810.11691v4 · doi: 10.48550/arxiv.1810.11691 · pith_short_12: 5VBDPVYR2SB3 · pith_short_16: 5VBDPVYR2SB3C36S · pith_short_8: 5VBDPVYR

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/5VBDPVYR2SB3C36SQTXFZBES3N \
  | 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: ed4237d711d483b16fd284ee5c8492db4c4a780dcd69b7c6d719a8deb2cf412b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3fff5b3a02e44fc99b7d6a0dd752ca714a0631d62c7d2e86a8a86c2bd0a61a4",
    "cross_cats_sorted": [
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-10-27T18:10:54Z",
    "title_canon_sha256": "b1612a2172f4ac3db6a667e003edd1843fbdf0071b63e2ab0948e16e3cc10e74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.11691",
    "kind": "arxiv",
    "version": 4
  }
}