Pith Number

pith:TWNV7CQ5

pith:2017:TWNV7CQ5A55BT3OI245DLNPIHI

not attested not anchored not stored refs pending

Photon position eigenvectors, Wigner's little group and Berry's phase

Margaret Hawton, Vincent Debierre

arxiv:1709.04884 v2 · 2017-09-14 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TWNV7CQ5A55BT3OI245DLNPIHI}

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	2026-05-17T23:42:31.068228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d9b5f8a1d077a19edc8d73a35b5e83a0146244fe8e0340fbd2001857f9abadb

Aliases

arxiv: 1709.04884 · arxiv_version: 1709.04884v2 · doi: 10.48550/arxiv.1709.04884 · pith_short_12: TWNV7CQ5A55B · pith_short_16: TWNV7CQ5A55BT3OI · pith_short_8: TWNV7CQ5

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/TWNV7CQ5A55BT3OI245DLNPIHI \
  | 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: 9d9b5f8a1d077a19edc8d73a35b5e83a0146244fe8e0340fbd2001857f9abadb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "703feb184c80a5d867ced195774a9aba500348ea0d7627a926fc3d46a732a1d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-09-14T17:16:15Z",
    "title_canon_sha256": "055e613f434c9e4e24efed4ccf542cb88c288f03363140bb246b70f15ec95337"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.04884",
    "kind": "arxiv",
    "version": 2
  }
}