Pith Number

pith:TG5WJAPF

pith:2019:TG5WJAPFGWZTM2YMISSBXZCMMI

not attested not anchored not stored refs pending

A decentralized method for making sensor measurements tamper-proof to support open science applications

Bela Gipp, Corinna Breitinger, Moritz Schubotz, Patrick Wortner, Stephan Leible

arxiv:1904.00237 v2 · 2019-03-30 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TG5WJAPFGWZTM2YMISSBXZCMMI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:49:38.220820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99bb6481e535b3366b0c44a41be44c62101e7ef27ad03b9607396a5143096a1b

Aliases

arxiv: 1904.00237 · arxiv_version: 1904.00237v2 · doi: 10.48550/arxiv.1904.00237 · pith_short_12: TG5WJAPFGWZT · pith_short_16: TG5WJAPFGWZTM2YM · pith_short_8: TG5WJAPF

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/TG5WJAPFGWZTM2YMISSBXZCMMI \
  | 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: 99bb6481e535b3366b0c44a41be44c62101e7ef27ad03b9607396a5143096a1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7356ae92c642b6a62cc327ca5df6f53e54bc351dcc365961dbb84736476efeb0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2019-03-30T15:49:58Z",
    "title_canon_sha256": "0c5f2d2280f3efa535676e24e8e30f36b503d5dd0312a21b4a3126b6473e7169"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.00237",
    "kind": "arxiv",
    "version": 2
  }
}