Pith Number

pith:HULS6AQE

pith:2018:HULS6AQE474PXBUXPPLAZVJOKW

not attested not anchored not stored refs pending

Where do ideas come from?

Abraham Loeb (Harvard)

arxiv:1806.10092 v1 · 2018-06-26 · physics.pop-ph · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HULS6AQE474PXBUXPPLAZVJOKW}

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	2026-05-18T00:10:36.970209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d172f0204e7f8fb86977bd60cd52e559b44c7488e466e194f7286bf39626ef9

Aliases

arxiv: 1806.10092 · arxiv_version: 1806.10092v1 · doi: 10.48550/arxiv.1806.10092 · pith_short_12: HULS6AQE474P · pith_short_16: HULS6AQE474PXBUX · pith_short_8: HULS6AQE

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/HULS6AQE474PXBUXPPLAZVJOKW \
  | 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: 3d172f0204e7f8fb86977bd60cd52e559b44c7488e466e194f7286bf39626ef9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b41763bfdd169c74b594f286af5621ce3c409fbd97a57402c678b3b5c6a8d1e2",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2018-06-26T16:11:51Z",
    "title_canon_sha256": "7d4a8e925b1034ef58958c9c124e5122c5c5272bf1af2b3ee34ffe351eda2c9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.10092",
    "kind": "arxiv",
    "version": 1
  }
}