Pith Number

pith:YKQQMZOD

pith:2021:YKQQMZODN5DPLWJKLFXIK65W2N

not attested not anchored not stored refs pending

Developing Apps for Researching the COVID-19 Pandemic with the TrackYourHealth Platform

Carsten Vogel, Felix Beierle, Johannes Schobel, R\"udiger Pryss, Winfried Schlee

arxiv:2103.13954 v1 · 2021-03-25 · cs.SE · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YKQQMZODN5DPLWJKLFXIK65W2N}

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	2026-07-05T02:26:24.232394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2a10665c36f46f5d92a596e857bb6d37aa7c2c95fc7edc84914ad23e6b0d1cb

Aliases

arxiv: 2103.13954 · arxiv_version: 2103.13954v1 · doi: 10.48550/arxiv.2103.13954 · pith_short_12: YKQQMZODN5DP · pith_short_16: YKQQMZODN5DPLWJK · pith_short_8: YKQQMZOD

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/YKQQMZODN5DPLWJKLFXIK65W2N \
  | 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: c2a10665c36f46f5d92a596e857bb6d37aa7c2c95fc7edc84914ad23e6b0d1cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68acaf0fb95b198e46b01a54c5c7c114e20ec2dc779a831a8c370924eaf9114c",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2021-03-25T16:22:51Z",
    "title_canon_sha256": "14b206808d1096f96b7549f28ed8c60e2c3b9b47529fcb4582cea1f9d629430b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.13954",
    "kind": "arxiv",
    "version": 1
  }
}