Pith Number

pith:EXCTHGDS

pith:2018:EXCTHGDSWW6ZA32O7YKP5N5LKZ

not attested not anchored not stored refs pending

Slots-Memento : A System Facilitating Intergenerational Story Sharing and Preservation of Family Mementos

Bart Hengeveld, Caroline Hummels, Cun Li, Jun Hu

arxiv:1807.09069 v1 · 2018-07-24 · 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{EXCTHGDSWW6ZA32O7YKP5N5LKZ}

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	2026-05-18T00:09:56.864627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25c5339872b5bd906f4efe14feb7ab5640f2c7634bdd43aea35e9f95b8f57b40

Aliases

arxiv: 1807.09069 · arxiv_version: 1807.09069v1 · doi: 10.48550/arxiv.1807.09069 · pith_short_12: EXCTHGDSWW6Z · pith_short_16: EXCTHGDSWW6ZA32O · pith_short_8: EXCTHGDS

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/EXCTHGDSWW6ZA32O7YKP5N5LKZ \
  | 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: 25c5339872b5bd906f4efe14feb7ab5640f2c7634bdd43aea35e9f95b8f57b40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e40752ae9f093d7c29df57aacf445aa7b41e7009ee185fd4a9becd4bdd4f9434",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2018-07-24T12:39:15Z",
    "title_canon_sha256": "da5fc9ab363e275c85394773e46be781e71f4f3d5deeca6eec6b94cebb1758dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09069",
    "kind": "arxiv",
    "version": 1
  }
}