Pith Number

pith:2SZMWTAB

pith:2017:2SZMWTABZTP5UNTVZKY7SOE6QL

not attested not anchored not stored refs pending

Determination of singular time-dependent coefficients for wave equations from full and partial data

Guanghui Hu, Yavar Kian

arxiv:1706.07212 v1 · 2017-06-22 · 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{2SZMWTABZTP5UNTVZKY7SOE6QL}

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	2026-05-18T00:41:52.325518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4b2cb4c01ccdfda3675cab1f9389e82e61db9fb3beabcf28d7889dd9453f25e

Aliases

arxiv: 1706.07212 · arxiv_version: 1706.07212v1 · doi: 10.48550/arxiv.1706.07212 · pith_short_12: 2SZMWTABZTP5 · pith_short_16: 2SZMWTABZTP5UNTV · pith_short_8: 2SZMWTAB

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/2SZMWTABZTP5UNTVZKY7SOE6QL \
  | 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: d4b2cb4c01ccdfda3675cab1f9389e82e61db9fb3beabcf28d7889dd9453f25e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85f3fdef542e649191f5b6bb07766a3cecb8695fe04addd3552a161398a96e5e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-06-22T08:47:50Z",
    "title_canon_sha256": "eeca0cedfdcc2e83be4ff2125ae6a10cae51201b4b41609482cae66678eb6b38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07212",
    "kind": "arxiv",
    "version": 1
  }
}