Pith Number

pith:GTKEB4EK

pith:2020:GTKEB4EKZUVNFEQDKFVMFNDDFS

not attested not anchored not stored refs pending

Photon echoes using atomic frequency combs in Pr:YSO -- experiment and semiclassical theory

Aditya N. Sharma, Alan L. Migdall, Eli J. Weissler, Elizabeth A. Goldschmidt, Kumel H. Kagalwala, Martin A. Ritter, Zachary H. Levine

arxiv:2011.04086 v3 · 2020-11-08 · 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{GTKEB4EKZUVNFEQDKFVMFNDDFS}

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	2026-07-05T05:16:48.693617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34d440f08acd2ad29203516ac2b4632c8d22ac0e496cb2df5565f6248e358590

Aliases

arxiv: 2011.04086 · arxiv_version: 2011.04086v3 · doi: 10.48550/arxiv.2011.04086 · pith_short_12: GTKEB4EKZUVN · pith_short_16: GTKEB4EKZUVNFEQD · pith_short_8: GTKEB4EK

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/GTKEB4EKZUVNFEQDKFVMFNDDFS \
  | 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: 34d440f08acd2ad29203516ac2b4632c8d22ac0e496cb2df5565f6248e358590

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1615ec9db68090d2b6df3c86f3915ae080f3d3b2793f51381c5bda783bd38adc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-11-08T21:29:46Z",
    "title_canon_sha256": "aaa894d400b7bf9ada4d0daae74ee72d8c8e0827a0543ea1a9154ff12e208ab8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.04086",
    "kind": "arxiv",
    "version": 3
  }
}