Pith Number

pith:TAGCA6HW

pith:2013:TAGCA6HWE3Z6C7MHJRJULEUQRQ

not attested not anchored not stored refs pending

Dispersive and dissipative errors in the DPG method with scaled norms for Helmholtz equation

Ignacio Muga, Jay Gopalakrishnan, Nicole Olivares

arxiv:1304.7497 v1 · 2013-04-28 · 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{TAGCA6HWE3Z6C7MHJRJULEUQRQ}

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	2026-05-18T01:49:54.310050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

980c2078f626f3e17d874c534592908c09748929549b3f426fee912847d54b7c

Aliases

arxiv: 1304.7497 · arxiv_version: 1304.7497v1 · doi: 10.48550/arxiv.1304.7497 · pith_short_12: TAGCA6HWE3Z6 · pith_short_16: TAGCA6HWE3Z6C7MH · pith_short_8: TAGCA6HW

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/TAGCA6HWE3Z6C7MHJRJULEUQRQ \
  | 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: 980c2078f626f3e17d874c534592908c09748929549b3f426fee912847d54b7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e06f34595a8ae104a19f624a3e845ad237d613ec975c3cbd64a556852e408b6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-04-28T18:51:58Z",
    "title_canon_sha256": "fd9308fa106f8098d490e94ba2717baf3c116c39544e9c5fb3e5ccf8815e8f66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7497",
    "kind": "arxiv",
    "version": 1
  }
}