Pith Number

pith:YCMA6DAC

pith:2000:YCMA6DACN3GXCHO3WP4MHWVT2H

not attested not anchored not stored refs pending

Decay of an excited atom near an absorbing microsphere

Dirk-Gunnar Welsch, Ho Trung Dung, Ludwig Kn\"oll

arxiv:quant-ph/0012103 v1 · 2000-12-19 · quant-ph

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

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	2026-05-18T01:09:07.538921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0980f0c026ecd711ddbb3f8c3dab3d1f2c6d2f593215eca28ebc476833967cd

Aliases

arxiv: quant-ph/0012103 · arxiv_version: quant-ph/0012103v1 · doi: 10.48550/arxiv.quant-ph/0012103 · pith_short_12: YCMA6DACN3GX · pith_short_16: YCMA6DACN3GXCHO3 · pith_short_8: YCMA6DAC

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/YCMA6DACN3GXCHO3WP4MHWVT2H \
  | 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: c0980f0c026ecd711ddbb3f8c3dab3d1f2c6d2f593215eca28ebc476833967cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a666a1d30562ac8a0e83c7dbe4163c24e6142bb90a80af6acc8590b282adbdf7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2000-12-19T18:06:53Z",
    "title_canon_sha256": "79caa07bd53618c8db059e8987b574587bab0163513bef5332b3519f79d8d40e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0012103",
    "kind": "arxiv",
    "version": 1
  }
}