Pith Number

pith:6XQPQPTD

pith:2012:6XQPQPTDWNGYLL3WEZQRVIWC3N

not attested not anchored not stored refs pending

Global existence and exponential decay of the solution for a viscoelastic wave equation with a delay

Qiuyi Dai, Zhifeng Yang

arxiv:1211.1198 v2 · 2012-11-06 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6XQPQPTDWNGYLL3WEZQRVIWC3N}

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	2026-05-18T03:06:22.441389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5e0f83e63b34d85af7626611aa2c2db4ae7e3eb2ec2effd8641e894fd3ccb8d

Aliases

arxiv: 1211.1198 · arxiv_version: 1211.1198v2 · doi: 10.48550/arxiv.1211.1198 · pith_short_12: 6XQPQPTDWNGY · pith_short_16: 6XQPQPTDWNGYLL3W · pith_short_8: 6XQPQPTD

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/6XQPQPTDWNGYLL3WEZQRVIWC3N \
  | 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: f5e0f83e63b34d85af7626611aa2c2db4ae7e3eb2ec2effd8641e894fd3ccb8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "247ece3fb7d04484b89f2a0b2585cc099a275b8cf83e7dfb4832321b9e22c710",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-11-06T12:19:52Z",
    "title_canon_sha256": "bd33fb3412a4e15e359d0d43b81d3f558cb86c73310a239611ad7503ec97ed3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1198",
    "kind": "arxiv",
    "version": 2
  }
}