Pith Number

pith:T7PSQQPK

pith:2016:T7PSQQPKOREXMU7LZD6QXYP5NZ

not attested not anchored not stored refs pending

A time-stepping DPG scheme for the heat equation

Jhuma Sen Gupta, Norbert Heuer, Thomas F\"uhrer

arxiv:1607.00301 v1 · 2016-07-01 · 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{T7PSQQPKOREXMU7LZD6QXYP5NZ}

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	2026-05-18T01:11:37.720268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fdf2841ea74497653ebc8fd0be1fd6e62d4e1f084d471ade5f31239066ca1a3

Aliases

arxiv: 1607.00301 · arxiv_version: 1607.00301v1 · doi: 10.48550/arxiv.1607.00301 · pith_short_12: T7PSQQPKOREX · pith_short_16: T7PSQQPKOREXMU7L · pith_short_8: T7PSQQPK

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/T7PSQQPKOREXMU7LZD6QXYP5NZ \
  | 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: 9fdf2841ea74497653ebc8fd0be1fd6e62d4e1f084d471ade5f31239066ca1a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ccd3ff8c048ea5d8cd3ca7464559a3a17cae737063a1b1aa0ac7cc4e5311ebd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-07-01T16:11:56Z",
    "title_canon_sha256": "0e58749b48261eca1525672db5227d86366ba0a07dcf131510c482f82ed964de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.00301",
    "kind": "arxiv",
    "version": 1
  }
}