Pith Number

pith:QSUAUSI3

pith:2018:QSUAUSI3NIYVIBMO4OP7RR2S34

not attested not anchored not stored refs pending

A Precipice Below Which Lies Absurdity? Theories without a Spacetime and Scientific Understanding

Henk W. de Regt, Sebastian De Haro

arxiv:1807.02639 v1 · 2018-07-07 · 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{QSUAUSI3NIYVIBMO4OP7RR2S34}

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	2026-05-18T00:11:16.465621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84a80a491b6a3154058ee39ff8c752df13182ab757511f84608f4149833a441a

Aliases

arxiv: 1807.02639 · arxiv_version: 1807.02639v1 · doi: 10.48550/arxiv.1807.02639 · pith_short_12: QSUAUSI3NIYV · pith_short_16: QSUAUSI3NIYVIBMO · pith_short_8: QSUAUSI3

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/QSUAUSI3NIYVIBMO4OP7RR2S34 \
  | 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: 84a80a491b6a3154058ee39ff8c752df13182ab757511f84608f4149833a441a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "438caaf95216bfd127d863d38c623b0681f6304b90efca92848121b8a686af94",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2018-07-07T09:44:40Z",
    "title_canon_sha256": "88973389f034cb9160b04275273f3141af752facd5a889e43e843d50f8899e7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02639",
    "kind": "arxiv",
    "version": 1
  }
}