Pith Number

pith:YPXVQ6M6

pith:2013:YPXVQ6M6JKBEZLWPC2AK3JU6XU

not attested not anchored not stored refs pending

Methods for Calculating the Pressure Field in the Tube Flow

Taha Sochi

arxiv:1312.2270 v1 · 2013-12-08 · 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{YPXVQ6M6JKBEZLWPC2AK3JU6XU}

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	2026-05-18T03:05:10.780028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3ef58799e4a824caecf1680ada69ebd015c9f7a2dd4c66d51ea4ab770534fcf

Aliases

arxiv: 1312.2270 · arxiv_version: 1312.2270v1 · doi: 10.48550/arxiv.1312.2270 · pith_short_12: YPXVQ6M6JKBE · pith_short_16: YPXVQ6M6JKBEZLWP · pith_short_8: YPXVQ6M6

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/YPXVQ6M6JKBEZLWPC2AK3JU6XU \
  | 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: c3ef58799e4a824caecf1680ada69ebd015c9f7a2dd4c66d51ea4ab770534fcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "185fb145d9313490576293931597642580e98a102e6e32e982c5088bd939d81a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2013-12-08T22:05:30Z",
    "title_canon_sha256": "ce0d599f702997b340a4c966d8b5b196d27b34a7e764a8c64bc3c3f1b6a2b5d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.2270",
    "kind": "arxiv",
    "version": 1
  }
}