Pith Number

pith:EP3XC7CJ

pith:2013:EP3XC7CJXYOKV347ZYLAVKWPTN

not attested not anchored not stored refs pending

Sensitivity studies of heat transfer: forced convection across a cylindrical pipe and duct flow

Andrea Ferrantelli, Martti Viljanen, Paul Mel\'ois

arxiv:1308.2784 v1 · 2013-08-13 · physics.class-ph · 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{EP3XC7CJXYOKV347ZYLAVKWPTN}

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	2026-05-18T03:16:05.245618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23f7717c49be1caaef9fce160aaacf9b7b39ba70bd9ead857ef2be7126e023cb

Aliases

arxiv: 1308.2784 · arxiv_version: 1308.2784v1 · doi: 10.48550/arxiv.1308.2784 · pith_short_12: EP3XC7CJXYOK · pith_short_16: EP3XC7CJXYOKV347 · pith_short_8: EP3XC7CJ

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/EP3XC7CJXYOKV347ZYLAVKWPTN \
  | 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: 23f7717c49be1caaef9fce160aaacf9b7b39ba70bd9ead857ef2be7126e023cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36173db8436a0ca98b7f0630f8fd26751d832417c6f4932c091584a221b38be5",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2013-08-13T08:27:21Z",
    "title_canon_sha256": "9b48947237cf4ddb80cd530c98714755563d027cfbe6b0be097de1f4ce12abd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2784",
    "kind": "arxiv",
    "version": 1
  }
}