Pith Number

pith:HYGYOTZN

pith:2018:HYGYOTZNOSDXWDSP3NRCPLWVN3

not attested not anchored not stored refs pending

Determining both the source of a wave and its speed in a medium from boundary measurements

Amir Moradifam, Christina Knox

arxiv:1803.06750 v3 · 2018-03-18 · 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{HYGYOTZNOSDXWDSP3NRCPLWVN3}

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	2026-05-17T23:43:18.146275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e0d874f2d74877b0e4fdb6227aed56ed4eb1c46f76dde5fe6dc1056493ce095

Aliases

arxiv: 1803.06750 · arxiv_version: 1803.06750v3 · doi: 10.48550/arxiv.1803.06750 · pith_short_12: HYGYOTZNOSDX · pith_short_16: HYGYOTZNOSDXWDSP · pith_short_8: HYGYOTZN

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/HYGYOTZNOSDXWDSP3NRCPLWVN3 \
  | 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: 3e0d874f2d74877b0e4fdb6227aed56ed4eb1c46f76dde5fe6dc1056493ce095

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "380a14ee9f658abac57a77481901e5bed59b0d909f0166b0df9b65842574e447",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-03-18T21:40:00Z",
    "title_canon_sha256": "b8060fa7c98ad284f0d768754b27c3f3fbd14d87e545bf2f604abc2c81da6323"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06750",
    "kind": "arxiv",
    "version": 3
  }
}