Pith Number

pith:2RDOED2A

pith:2014:2RDOED2A2HJSYA6PVBNLQQKSVL

not attested not anchored not stored refs pending

Semitransparency in interaction-free measurements

Christoph Kohstall, Peter Hommelhoff, Pieter Kruit, Sebastian Thomas

arxiv:1409.0044 v1 · 2014-08-29 · 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{2RDOED2A2HJSYA6PVBNLQQKSVL}

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	2026-05-18T02:32:21.943148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d446e20f40d1d32c03cfa85ab84152aafda3fa8e1efff7ea2c1d0807afc42ce3

Aliases

arxiv: 1409.0044 · arxiv_version: 1409.0044v1 · doi: 10.48550/arxiv.1409.0044 · pith_short_12: 2RDOED2A2HJS · pith_short_16: 2RDOED2A2HJSYA6P · pith_short_8: 2RDOED2A

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/2RDOED2A2HJSYA6PVBNLQQKSVL \
  | 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: d446e20f40d1d32c03cfa85ab84152aafda3fa8e1efff7ea2c1d0807afc42ce3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02c7aff84fb4f85926c450c92b19f7b703c5adef7424219e796bfefb1829b853",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-08-29T21:54:44Z",
    "title_canon_sha256": "840a68bc580c1d0296902119c72a1d57b00656f5982210dfd424f70b89c36bdc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.0044",
    "kind": "arxiv",
    "version": 1
  }
}