Pith Number

pith:TAT4YCTG

pith:2017:TAT4YCTGKFV4BACXBPTYQTCYQH

not attested not anchored not stored refs pending

How Retrocausality Helps

Roderick Sutherland

arxiv:1706.02290 v1 · 2017-06-07 · 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{TAT4YCTGKFV4BACXBPTYQTCYQH}

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	2026-07-04T23:55:53.762650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9827cc0a66516bc080570be7884c5881d0dea106bf8d2994b7d6e64721577af4

Aliases

arxiv: 1706.02290 · arxiv_version: 1706.02290v1 · doi: 10.48550/arxiv.1706.02290 · pith_short_12: TAT4YCTGKFV4 · pith_short_16: TAT4YCTGKFV4BACX · pith_short_8: TAT4YCTG

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/TAT4YCTGKFV4BACXBPTYQTCYQH \
  | 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: 9827cc0a66516bc080570be7884c5881d0dea106bf8d2994b7d6e64721577af4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d4a17cfb7a34aff6b024277c50e2653be7683ecd965aa52e9e8c9378cbeaadc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-06-07T01:28:31Z",
    "title_canon_sha256": "1c5de9cfc35dea554a6bdf9f0b4a2cca5d2da67253a925fdb56bd8eee3d8bd41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.02290",
    "kind": "arxiv",
    "version": 1
  }
}