Pith Number

pith:WM2DCKL7

pith:2015:WM2DCKL7TLWMKYZPBDJSPLVY53

not attested not anchored not stored refs pending

The observation of photon echoes from evanescently coupled rare-earth ions in a planar waveguide

John G. Bartholomew, Khu Vu, Matthew J. Sellars, Sara Marzban, Stephen Madden

arxiv:1503.00252 v1 · 2015-03-01 · quant-ph · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WM2DCKL7TLWMKYZPBDJSPLVY53}

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	2026-05-18T01:36:47.988273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b33431297f9aecc5632f08d327aeb8eed0a020f0f8299f555ca8351906dfe193

Aliases

arxiv: 1503.00252 · arxiv_version: 1503.00252v1 · doi: 10.48550/arxiv.1503.00252 · pith_short_12: WM2DCKL7TLWM · pith_short_16: WM2DCKL7TLWMKYZP · pith_short_8: WM2DCKL7

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/WM2DCKL7TLWMKYZPBDJSPLVY53 \
  | 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: b33431297f9aecc5632f08d327aeb8eed0a020f0f8299f555ca8351906dfe193

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "917e6a6b2b4c3a902874f7adf3617e3aa5bf8e9bbad4cddb976eac6ef3273f7f",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-03-01T11:42:31Z",
    "title_canon_sha256": "1b1584f352325432938968b6ea7ca65ca60b81ba06e3983744a2fdfcbccc3c4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00252",
    "kind": "arxiv",
    "version": 1
  }
}