Pith Number

pith:AQ66TS6A

pith:2019:AQ66TS6ACZQRGKQ526Y3HVPWO2

not attested not anchored not stored refs pending

Superconvergent interpolatory HDG methods for reaction diffusion equations I: An HDG$_{k}$ method

Bernardo Cockburn, Gang Chen, John Singler, Yangwen Zhang

arxiv:1905.12055 v1 · 2019-05-28 · math.NA · cs.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{AQ66TS6ACZQRGKQ526Y3HVPWO2}

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	2026-06-04T20:14:33.619096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

043de9cbc01661132a1dd7b1b3d5f676b757bc8a2db62284f899a0b9ca69b0ed

Aliases

arxiv: 1905.12055 · arxiv_version: 1905.12055v1 · doi: 10.48550/arxiv.1905.12055 · pith_short_12: AQ66TS6ACZQR · pith_short_16: AQ66TS6ACZQRGKQ5 · pith_short_8: AQ66TS6A

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/AQ66TS6ACZQRGKQ526Y3HVPWO2 \
  | 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: 043de9cbc01661132a1dd7b1b3d5f676b757bc8a2db62284f899a0b9ca69b0ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b156c20eba1083f8e7caf81d5cbca013a4ce42dc4fbcc86d5533f96b4417ba5",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-05-28T19:59:16Z",
    "title_canon_sha256": "f31174fbb661188ea852315a87156109f3d4e3cf3aeada1f60108b66678df6c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12055",
    "kind": "arxiv",
    "version": 1
  }
}