Pith Number

pith:P2JCFTVC

pith:2022:P2JCFTVCSDVYT36FRJ7PEHSKD6

not attested not anchored not stored refs pending

Generalized description of the spatio-temporal biphoton State in spontaneous parametric down-conversion

Baghdasar Baghdasaryan, Carlos Sevilla-Guti\'errez, Fabian Steinlechner, Stephan Fritzsche

arxiv:2208.09423 v3 · 2022-08-19 · 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{P2JCFTVCSDVYT36FRJ7PEHSKD6}

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	2026-07-05T05:28:26.547330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e9222cea290eb89efc58a7ef21e4a1f956b956cd874cccedc042b023b3ac36a

Aliases

arxiv: 2208.09423 · arxiv_version: 2208.09423v3 · doi: 10.48550/arxiv.2208.09423 · pith_short_12: P2JCFTVCSDVY · pith_short_16: P2JCFTVCSDVYT36F · pith_short_8: P2JCFTVC

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/P2JCFTVCSDVYT36FRJ7PEHSKD6 \
  | 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: 7e9222cea290eb89efc58a7ef21e4a1f956b956cd874cccedc042b023b3ac36a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d64a57babe2f7d2f14c3e4cc9d2e2b63206eec4ecddadcf788da886fd7d5f647",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-08-19T16:16:08Z",
    "title_canon_sha256": "65e43567589d99047d12cd9d20ad1f30d5e8c93f78bfe235e2fa281d1dacfc7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.09423",
    "kind": "arxiv",
    "version": 3
  }
}