Pith. sign in
Pith Number

pith:CK4JTEFB

pith:2021:CK4JTEFBLZLINOQT4VKSUO2IQ5
not attested not anchored not stored refs pending

Euclidean Twistor Unification

Peter Woit

arxiv:2104.05099 v2 · 2021-04-11 · hep-th · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{CK4JTEFBLZLINOQT4VKSUO2IQ5}

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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.

Cited by

3 papers in Pith

Receipt and verification
First computed 2026-07-05T03:22:45.639778Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

12b89990a15e5686ba13e5552a3b48875c7458c6aaf4828b2a25ee3acc2f4f37

Aliases

arxiv: 2104.05099 · arxiv_version: 2104.05099v2 · doi: 10.48550/arxiv.2104.05099 · pith_short_12: CK4JTEFBLZLI · pith_short_16: CK4JTEFBLZLINOQT · pith_short_8: CK4JTEFB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/CK4JTEFBLZLINOQT4VKSUO2IQ5 \
  | 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: 12b89990a15e5686ba13e5552a3b48875c7458c6aaf4828b2a25ee3acc2f4f37
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c7aa677ee3e2a9393b6c8dc90813ccda5c5c43ba416ea6ff1075e9ed00205614",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-04-11T20:44:10Z",
    "title_canon_sha256": "da507511b8fc08402c26de78d1b9f8fad1023c2e85ff3d7f55412fb6b092119d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.05099",
    "kind": "arxiv",
    "version": 2
  }
}