Pith Number

pith:DAHTBBDH

pith:2016:DAHTBBDHA5K4EYZRK6VFTMFVOH

not attested not anchored not stored refs pending

Trigonometric collocation methods based on Lagrange basis polynomials for multi-frequency oscillatory second-order differential equations

Bin Wang, Fanwei Meng, Xinyuan Wu

arxiv:1608.06531 v1 · 2016-08-23 · 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{DAHTBBDHA5K4EYZRK6VFTMFVOH}

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	2026-05-18T00:22:53.020650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

180f3084670755c2633157aa59b0b571ce081937f0b77992af18c4f302e9e76c

Aliases

arxiv: 1608.06531 · arxiv_version: 1608.06531v1 · doi: 10.48550/arxiv.1608.06531 · pith_short_12: DAHTBBDHA5K4 · pith_short_16: DAHTBBDHA5K4EYZR · pith_short_8: DAHTBBDH

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/DAHTBBDHA5K4EYZRK6VFTMFVOH \
  | 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: 180f3084670755c2633157aa59b0b571ce081937f0b77992af18c4f302e9e76c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b5b255bb9214e22552c9baa60082c1d2aa240bd2bb7588653c206b949130334",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-08-23T14:58:06Z",
    "title_canon_sha256": "61936c688e29bf1c94c01026685a3a59bb401cadfc4b4f0a6d35972c79d4d5ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.06531",
    "kind": "arxiv",
    "version": 1
  }
}