Pith Number

pith:DWKZZIAM

pith:2018:DWKZZIAMGKRZLNPW5HL3FTUSY7

not attested not anchored not stored refs pending

An Experimental Information Gathering and Utilization Systems (IGUS) Robot to Demonstrate the Physics of Now

Ronald P. Gruber, Ryan P. Smith

arxiv:1812.06147 v1 · 2018-12-10 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DWKZZIAMGKRZLNPW5HL3FTUSY7}

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	2026-05-17T23:50:22.403462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d959ca00c32a395b5f6e9d7b2ce92c7c739f8eae9b0f0da68df9a3090ee4168

Aliases

arxiv: 1812.06147 · arxiv_version: 1812.06147v1 · doi: 10.48550/arxiv.1812.06147 · pith_short_12: DWKZZIAMGKRZ · pith_short_16: DWKZZIAMGKRZLNPW · pith_short_8: DWKZZIAM

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/DWKZZIAMGKRZLNPW5HL3FTUSY7 \
  | 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: 1d959ca00c32a395b5f6e9d7b2ce92c7c739f8eae9b0f0da68df9a3090ee4168

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "754edafbf178645aa5da6fef311913065d936731842d4fd7c5a911cc4ea6fab8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2018-12-10T17:20:55Z",
    "title_canon_sha256": "72fc8fe58029331e3d980ab8640ee374a7fa71426f3a29612970ed9902e471d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.06147",
    "kind": "arxiv",
    "version": 1
  }
}