Pith Number

pith:3HMORY3S

pith:2016:3HMORY3SDAU2XROE4V5UTUZTN6

not attested not anchored not stored refs pending

Bubble drag reduction requires large bubbles

Chao Sun, Detlef Lohse, Roeland C.A. van der Veen, Ruben A. Verschoof

arxiv:1606.06471 v1 · 2016-06-21 · physics.flu-dyn

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

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	2026-05-18T00:41:46.414926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9d8e8e3721829abc5c4e57b49d3336fad4d748f75b6dc9b5b1c892c09197c30

Aliases

arxiv: 1606.06471 · arxiv_version: 1606.06471v1 · doi: 10.48550/arxiv.1606.06471 · pith_short_12: 3HMORY3SDAU2 · pith_short_16: 3HMORY3SDAU2XROE · pith_short_8: 3HMORY3S

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/3HMORY3SDAU2XROE4V5UTUZTN6 \
  | 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: d9d8e8e3721829abc5c4e57b49d3336fad4d748f75b6dc9b5b1c892c09197c30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb3b0a483429e3cd01c52ed8552fcb737f611edba9bb40db2800762fbded945a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2016-06-21T08:24:34Z",
    "title_canon_sha256": "a0c626dd90a3a9b4cdc11c393eb0e7cd160723611ed5b1e77ddfda6d9ec7b82b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.06471",
    "kind": "arxiv",
    "version": 1
  }
}