Pith Number

pith:UPF3I7TV

pith:2017:UPF3I7TV657PBIXO6TF6UAXAVV

not attested not anchored not stored refs pending

Experimenting with the p4est library for AMR simulations of two-phase flows

2), (2) MDLS, 3), 3) ((1) EM2C, (3) FR3487), Adam Larat (1, Alexandru Fikl (2), Florence Drui (1, Marc Massot (1, Pierre Kestener (2), Samuel Kokh (2), Vincent Le Chenadec (1)

arxiv:1709.07700 v1 · 2017-09-22 · math.NA · cs.DC · cs.DM · 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{UPF3I7TV657PBIXO6TF6UAXAVV}

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	2026-05-18T00:34:32.536576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3cbb47e75f77ef0a2eef4cbea02e0ad77bd17b128b891b4b545c2105ac2f9d9

Aliases

arxiv: 1709.07700 · arxiv_version: 1709.07700v1 · doi: 10.48550/arxiv.1709.07700 · pith_short_12: UPF3I7TV657P · pith_short_16: UPF3I7TV657PBIXO · pith_short_8: UPF3I7TV

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/UPF3I7TV657PBIXO6TF6UAXAVV \
  | 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: a3cbb47e75f77ef0a2eef4cbea02e0ad77bd17b128b891b4b545c2105ac2f9d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1e8778605be7ba6224468c2560e5250edd8529c4ef3059f3a4f7ce7b1b85491",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.DM",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-09-22T11:41:54Z",
    "title_canon_sha256": "c6b0960c984b5c1081774fcf80510c15fe9f38e4c924a71bef3f1c908650d59d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.07700",
    "kind": "arxiv",
    "version": 1
  }
}