Pith Number

pith:HJE6F5HT

pith:2007:HJE6F5HTTAOAS2DBQTKPRQV3C4

not attested not anchored not stored refs pending

Manipulation of single-photon states encoded in transverse spatial modes: possible and impossible tasks

Antonio Pic\'on, Gabriel F. Calvo

arxiv:0712.1197 v2 · 2007-12-07 · quant-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HJE6F5HTTAOAS2DBQTKPRQV3C4}

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	2026-05-18T04:30:03.128880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a49e2f4f3981c09686184d4f8c2bb1723c523d9a53744bd66a845f00e6e853e

Aliases

arxiv: 0712.1197 · arxiv_version: 0712.1197v2 · doi: 10.48550/arxiv.0712.1197 · pith_short_12: HJE6F5HTTAOA · pith_short_16: HJE6F5HTTAOAS2DB · pith_short_8: HJE6F5HT

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/HJE6F5HTTAOAS2DBQTKPRQV3C4 \
  | 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: 3a49e2f4f3981c09686184d4f8c2bb1723c523d9a53744bd66a845f00e6e853e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aaa746785741efe975193afc190a4a1edf2bb1614c9b7863d52939a0fc5eb88c",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2007-12-07T18:02:19Z",
    "title_canon_sha256": "8599c54ddca32b5e8d6a673e4eb91dc33737e8cc48e0d0262d74d21b81aba7b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.1197",
    "kind": "arxiv",
    "version": 2
  }
}