Pith Number

pith:JROMKRDZ

pith:2014:JROMKRDZCBHDZGH5GNPJ4AUTG3

not attested not anchored not stored refs pending

Exploiting Active Subspaces to Quantify Uncertainty in the Numerical Simulation of the HyShot II Scramjet

Gianluca Iaccarino, Johan Larsson, Michael Emory, Paul Constantine

arxiv:1408.6269 v2 · 2014-08-26 · math.NA · 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{JROMKRDZCBHDZGH5GNPJ4AUTG3}

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	2026-05-18T01:30:08.326862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c5cc54479104e3c98fd335e9e029336f7e45ffd588a213cc3cbdad62a29921e

Aliases

arxiv: 1408.6269 · arxiv_version: 1408.6269v2 · doi: 10.48550/arxiv.1408.6269 · pith_short_12: JROMKRDZCBHD · pith_short_16: JROMKRDZCBHDZGH5 · pith_short_8: JROMKRDZ

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/JROMKRDZCBHDZGH5GNPJ4AUTG3 \
  | 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: 4c5cc54479104e3c98fd335e9e029336f7e45ffd588a213cc3cbdad62a29921e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "231f616c66e70b02ae744647cae2e63ae1f5426f2ac0cd954c015f98e80e455a",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-08-26T21:32:57Z",
    "title_canon_sha256": "b138ec7425a47ca46a1cc6e0cf8facd9bd424451cd59fba71c425fc72f621488"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.6269",
    "kind": "arxiv",
    "version": 2
  }
}