Pith Number

pith:R4KN2O2A

pith:2018:R4KN2O2ABKX3AXOR55XEDTPKZF

not attested not anchored not stored refs pending

Photonic quantum memory using an intra-atomic frequency comb

Christoph Simon, G. P. Teja, Sandeep K. Goyal

arxiv:1810.07617 v2 · 2018-10-17 · 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{R4KN2O2ABKX3AXOR55XEDTPKZF}

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	2026-05-17T23:46:09.432190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f14dd3b400aafb05dd1ef6e41cdeac9479fa1ff34dcdfcd8af353b1d765b8d1

Aliases

arxiv: 1810.07617 · arxiv_version: 1810.07617v2 · doi: 10.48550/arxiv.1810.07617 · pith_short_12: R4KN2O2ABKX3 · pith_short_16: R4KN2O2ABKX3AXOR · pith_short_8: R4KN2O2A

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/R4KN2O2ABKX3AXOR55XEDTPKZF \
  | 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: 8f14dd3b400aafb05dd1ef6e41cdeac9479fa1ff34dcdfcd8af353b1d765b8d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "066be633847dafeda97d4e8701184c4af4daa65b2435605538b4dacd35f6cf43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-10-17T15:32:49Z",
    "title_canon_sha256": "411d05212e4a3e69eb2b67da3ab0d66a445665dd346ada3f25b4727e63289319"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07617",
    "kind": "arxiv",
    "version": 2
  }
}