Pith Number

pith:57A3K4E5

pith:2010:57A3K4E5GL6J63XK37V6TL4XQZ

not attested not anchored not stored refs pending

Testing Ultrafast Two-Photon Spectral Amplitudes via Optical Fibres

G.Brida, M.Genovese, M.Gramegna, M.V.Chekhova, T.Sh.Iskhakov, V.Caricato

arxiv:1001.3211 v1 · 2010-01-19 · 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{57A3K4E5GL6J63XK37V6TL4XQZ}

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	2026-05-18T02:09:42.586552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efc1b5709d32fc9f6eeadfebe9af978641bc6fedff56b311eea5f06799335cb5

Aliases

arxiv: 1001.3211 · arxiv_version: 1001.3211v1 · doi: 10.48550/arxiv.1001.3211 · pith_short_12: 57A3K4E5GL6J · pith_short_16: 57A3K4E5GL6J63XK · pith_short_8: 57A3K4E5

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/57A3K4E5GL6J63XK37V6TL4XQZ \
  | 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: efc1b5709d32fc9f6eeadfebe9af978641bc6fedff56b311eea5f06799335cb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b80f0fef61a8e6505afd2a0e6b9c5f057c095065fbec22482945fdfaf35ea992",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-01-19T07:48:00Z",
    "title_canon_sha256": "d55bcfe1c2b0cd584760e8c3e3ffe1ca7ef2fa39533e4695c4e3d6ea3e47cf32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.3211",
    "kind": "arxiv",
    "version": 1
  }
}