Pith Number

pith:22J22VEU

pith:2016:22J22VEULQ2OCFTU5DRFSAPAIE

not attested not anchored not stored refs pending

Potential of EPUB3 for Digital Textbooks in Higher Education

Christian Gailer, Elke Lackner, Martin Ebner, Michael Kopp, Michael Raunig, Mohammad Khalil

arxiv:1606.05690 v1 · 2016-06-17 · 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{22J22VEULQ2OCFTU5DRFSAPAIE}

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	2026-05-18T01:12:16.282905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d693ad54945c34e11674e8e25901e0410e6f7abbd95e8f8d7c9318bd3bdb3a6f

Aliases

arxiv: 1606.05690 · arxiv_version: 1606.05690v1 · doi: 10.48550/arxiv.1606.05690 · pith_short_12: 22J22VEULQ2O · pith_short_16: 22J22VEULQ2OCFTU · pith_short_8: 22J22VEU

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/22J22VEULQ2OCFTU5DRFSAPAIE \
  | 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: d693ad54945c34e11674e8e25901e0410e6f7abbd95e8f8d7c9318bd3bdb3a6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cd87e4736664db0ae4ad68a996762bff0c840dd3ab96d17694c83cfb7a4be60",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2016-06-17T22:19:50Z",
    "title_canon_sha256": "497b3147e2a2c5862f3aa90615b8639e6004400f3326aba09e510d2e239ad242"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.05690",
    "kind": "arxiv",
    "version": 1
  }
}