Pith Number

pith:W5OVHESO

pith:2016:W5OVHESOIH32XTEPQVDWZJNC6K

not attested not anchored not stored refs pending

Coupled variational formulations of linear elasticity and the DPG methodology

Brendan Keith, Federico Fuentes, Leszek Demkowicz, Patrick Le Tallec

arxiv:1609.08180 v2 · 2016-09-26 · 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{W5OVHESOIH32XTEPQVDWZJNC6K}

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	2026-05-18T00:34:31.572765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b75d53924e41f7abcc8f85476ca5a2f298c4276e829ee85ec0bbae069866fe63

Aliases

arxiv: 1609.08180 · arxiv_version: 1609.08180v2 · doi: 10.48550/arxiv.1609.08180 · pith_short_12: W5OVHESOIH32 · pith_short_16: W5OVHESOIH32XTEP · pith_short_8: W5OVHESO

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/W5OVHESOIH32XTEPQVDWZJNC6K \
  | 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: b75d53924e41f7abcc8f85476ca5a2f298c4276e829ee85ec0bbae069866fe63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37670089681a78b32b0a23697338c5d96becec889c68b9b6e5dcea9516f45eb5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-09-26T20:27:18Z",
    "title_canon_sha256": "ee83f13ae6f5b37c830bc542df1dc21900c1daa3bffe75d5a7265bbe5aa43c59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.08180",
    "kind": "arxiv",
    "version": 2
  }
}