Pith Number

pith:PGGEXFLX

pith:2018:PGGEXFLXTZC5WVO27RQTXBLDHB

not attested not anchored not stored refs pending

Comment on "Past of a quantum particle revisited"

Lev Vaidman, Uri Peleg

arxiv:1805.12171 v1 · 2018-05-30 · 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{PGGEXFLXTZC5WVO27RQTXBLDHB}

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	2026-05-17T23:52:07.607378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

798c4b95779e45db55dafc613b8563385f8d34ab5d9336858d7e68a594599cd6

Aliases

arxiv: 1805.12171 · arxiv_version: 1805.12171v1 · doi: 10.48550/arxiv.1805.12171 · pith_short_12: PGGEXFLXTZC5 · pith_short_16: PGGEXFLXTZC5WVO2 · pith_short_8: PGGEXFLX

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/PGGEXFLXTZC5WVO27RQTXBLDHB \
  | 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: 798c4b95779e45db55dafc613b8563385f8d34ab5d9336858d7e68a594599cd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f8d37b3271d15dd92666c9589351b0ccb8c928ab9e269a58672a7a8d8551f2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-05-30T18:39:01Z",
    "title_canon_sha256": "2c43a9b32e8ec7e0f0bf15246126e808a62ff7c0f18873c86815430ccd1de86a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.12171",
    "kind": "arxiv",
    "version": 1
  }
}