Pith Number

pith:2ZLSUVBL

pith:2017:2ZLSUVBL6NP4ULCDPIWFQD45U2

not attested not anchored not stored refs pending

An inverse problem for the wave equation with source and receiver at distinct points

Manmohan Vashisth

arxiv:1706.00681 v4 · 2017-06-02 · 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{2ZLSUVBL6NP4ULCDPIWFQD45U2}

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	2026-05-17T23:42:49.217684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6572a542bf35fca2c437a2c580f9da692a3ffcb2d03f4234c483301ff1ce136

Aliases

arxiv: 1706.00681 · arxiv_version: 1706.00681v4 · doi: 10.48550/arxiv.1706.00681 · pith_short_12: 2ZLSUVBL6NP4 · pith_short_16: 2ZLSUVBL6NP4ULCD · pith_short_8: 2ZLSUVBL

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/2ZLSUVBL6NP4ULCDPIWFQD45U2 \
  | 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: d6572a542bf35fca2c437a2c580f9da692a3ffcb2d03f4234c483301ff1ce136

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc466a84480002ead732c9b217981b2c19c55de79b097d4a969d06260744116b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-06-02T13:21:13Z",
    "title_canon_sha256": "809f7032e7433ea44393bfd66938d844cdea5f1ba88346ca5e899e7673b659f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.00681",
    "kind": "arxiv",
    "version": 4
  }
}