Pith Number

pith:UISGNDT6

pith:2016:UISGNDT6VGKGCWUXKPSYBVIHN4

not attested not anchored not stored refs pending

Photon mass drag and the momentum of light in a medium

Jani Oksanen, Jukka Tulkki, Mikko Partanen, Teppo H\"ayrynen

arxiv:1603.07224 v5 · 2016-03-23 · 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{UISGNDT6VGKGCWUXKPSYBVIHN4}

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	2026-05-18T00:41:02.145591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a224668e7ea994615a9753e580d5076f11fea61b5aeb7eb450de84a5c68f516b

Aliases

arxiv: 1603.07224 · arxiv_version: 1603.07224v5 · doi: 10.48550/arxiv.1603.07224 · pith_short_12: UISGNDT6VGKG · pith_short_16: UISGNDT6VGKGCWUX · pith_short_8: UISGNDT6

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/UISGNDT6VGKGCWUXKPSYBVIHN4 \
  | 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: a224668e7ea994615a9753e580d5076f11fea61b5aeb7eb450de84a5c68f516b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0afe801b89d59dab8d4dd99bdca32608681148cc9900b9bb299e8983b51966f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-03-23T15:10:11Z",
    "title_canon_sha256": "db08f59bd3825d14d5ec53785602d3bc97b42c5dcef1de3f9105e6dc404badcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.07224",
    "kind": "arxiv",
    "version": 5
  }
}