Pith Number

pith:LOKCBM3R

pith:2020:LOKCBM3RLOHUFITA7N4I46OL53

not attested not anchored not stored refs pending

SETI and Democracy

Leah Trueblood, Peter Hatfield

arxiv:2007.13515 v2 · 2020-07-27 · physics.pop-ph · physics.hist-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{LOKCBM3RLOHUFITA7N4I46OL53}

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	2026-07-05T02:11:57.011553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b9420b3715b8f42a260fb788e79cbeede1c2f3e40666168290da60a237c237a

Aliases

arxiv: 2007.13515 · arxiv_version: 2007.13515v2 · doi: 10.48550/arxiv.2007.13515 · pith_short_12: LOKCBM3RLOHU · pith_short_16: LOKCBM3RLOHUFITA · pith_short_8: LOKCBM3R

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/LOKCBM3RLOHUFITA7N4I46OL53 \
  | 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: 5b9420b3715b8f42a260fb788e79cbeede1c2f3e40666168290da60a237c237a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1ad29da0145be228855e8a902b28dcaa4e424361fb8731fda0673ef822a19b3",
    "cross_cats_sorted": [
      "physics.hist-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2020-07-27T12:59:36Z",
    "title_canon_sha256": "4b7b07335c1408cfaa53d207d2ba6e63ac8326393d94ba633535e0509002adca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.13515",
    "kind": "arxiv",
    "version": 2
  }
}