Pith Number

pith:OWTQJ6GH

pith:2012:OWTQJ6GHEQ2GT4FZM2MVO6EM7K

not attested not anchored not stored refs pending

Directional pulse propagation in beam, rod, pipe, and disk geometries

Paul Kinsler

arxiv:1210.6794 v1 · 2012-10-25 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OWTQJ6GHEQ2GT4FZM2MVO6EM7K}

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	2026-05-18T03:42:23.116394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75a704f8c7243469f0b9669957788cfab0b8e170fc79d32199b96192aa44bf9f

Aliases

arxiv: 1210.6794 · arxiv_version: 1210.6794v1 · doi: 10.48550/arxiv.1210.6794 · pith_short_12: OWTQJ6GHEQ2G · pith_short_16: OWTQJ6GHEQ2GT4FZ · pith_short_8: OWTQJ6GH

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/OWTQJ6GHEQ2GT4FZM2MVO6EM7K \
  | 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: 75a704f8c7243469f0b9669957788cfab0b8e170fc79d32199b96192aa44bf9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a290cbbee5692c9b753af872188af333cb627f7ddc7253b83e9d06c2d84d0913",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-10-25T11:12:02Z",
    "title_canon_sha256": "ff2022f882d729d75e3c53f695e3a4730c2fa2898655d78768da9058c39616cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.6794",
    "kind": "arxiv",
    "version": 1
  }
}