Pith Number

pith:G2XDZKXO

pith:2016:G2XDZKXORHPN6IMNYRG3BISQ4P

not attested not anchored not stored refs pending

Recovering the uniform boundary observability with spectral Legendre-Galerkin formulations of the 1-D wave equation

Jos\'e Urquiza, Ludovick Gagnon

arxiv:1612.00332 v1 · 2016-12-01 · math.OC · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G2XDZKXORHPN6IMNYRG3BISQ4P}

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	2026-05-18T00:56:05.419277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36ae3caaee89dedf218dc44db0a250e3ee8fdd07d8a9bb92bd49b8eb9576e6f0

Aliases

arxiv: 1612.00332 · arxiv_version: 1612.00332v1 · doi: 10.48550/arxiv.1612.00332 · pith_short_12: G2XDZKXORHPN · pith_short_16: G2XDZKXORHPN6IMN · pith_short_8: G2XDZKXO

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/G2XDZKXORHPN6IMNYRG3BISQ4P \
  | 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: 36ae3caaee89dedf218dc44db0a250e3ee8fdd07d8a9bb92bd49b8eb9576e6f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebf7035955d8dac80a7d8abbfe3a2565fdba7a3e722e1ccfdd88b854025279ec",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-12-01T16:18:02Z",
    "title_canon_sha256": "fb73a91ad827ac4d3aa20e89e97309d18f005fceddcfaee52b8a7201a8ea3e80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.00332",
    "kind": "arxiv",
    "version": 1
  }
}