Pith Number

pith:TIWFG5F5

pith:2016:TIWFG5F5G4YW6YW6N4W7AAXKHL

not attested not anchored not stored refs pending

A fully discrete BEM-FEM scheme for transient acoustic waves

Francisco-Javier Sayas, Matthew E. Hassell

arxiv:1601.08248 v1 · 2016-01-29 · math.NA · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TIWFG5F5G4YW6YW6N4W7AAXKHL}

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	2026-05-18T01:08:18.583747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a2c5374bd37316f62de6f2df002ea3aeb8eb1c16c825e654f175d857d19038e

Aliases

arxiv: 1601.08248 · arxiv_version: 1601.08248v1 · doi: 10.48550/arxiv.1601.08248 · pith_short_12: TIWFG5F5G4YW · pith_short_16: TIWFG5F5G4YW6YW6 · pith_short_8: TIWFG5F5

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/TIWFG5F5G4YW6YW6N4W7AAXKHL \
  | 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: 9a2c5374bd37316f62de6f2df002ea3aeb8eb1c16c825e654f175d857d19038e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc76e95e85dd423a15a5083630ded49508ddd1ef3b6dfc960b2ebabcb10bfda0",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-01-29T20:42:48Z",
    "title_canon_sha256": "0a24afeabdc27e23f07734e0e1b21527b787e19efd006358b1b116a1729fa972"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.08248",
    "kind": "arxiv",
    "version": 1
  }
}