Pith Number

pith:WZHGJ734

pith:2014:WZHGJ734NH4Q6CGS3MZH6Z77XL

not attested not anchored not stored refs pending

Barrier Functionals for Output Functional Estimation of PDEs

Antonis Papachristodoulou, Giorgio Valmorbida, Mohamadreza Ahmadi

arxiv:1412.3169 v1 · 2014-12-10 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WZHGJ734NH4Q6CGS3MZH6Z77XL}

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	2026-05-18T02:31:37.366435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b64e64ff7c69f90f08d2db327f67ffbaf5253a1fc9d3820ac29ba31aa5d97fd8

Aliases

arxiv: 1412.3169 · arxiv_version: 1412.3169v1 · doi: 10.48550/arxiv.1412.3169 · pith_short_12: WZHGJ734NH4Q · pith_short_16: WZHGJ734NH4Q6CGS · pith_short_8: WZHGJ734

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/WZHGJ734NH4Q6CGS3MZH6Z77XL \
  | 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: b64e64ff7c69f90f08d2db327f67ffbaf5253a1fc9d3820ac29ba31aa5d97fd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cfc5358e03b4010036e73164ac2ca4a8b374037f73f04a7262b274fd623b7c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-12-10T01:13:07Z",
    "title_canon_sha256": "89669a193e2642776aeb96fc4fb188e17da1eaaec929f89a08bdc94a1668c7a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.3169",
    "kind": "arxiv",
    "version": 1
  }
}