Pith Number

pith:AAL5DJM5

pith:2013:AAL5DJM55TZIHJRSDDENQDCFG7

not attested not anchored not stored refs pending

Context-based Barrier Notification Service Toward Outdoor Support for the Elderly

Akihiko Ohsuga, Keisuke Umezu, Takahiro Kawamura

arxiv:1307.3013 v1 · 2013-07-11 · cs.CY · 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{AAL5DJM55TZIHJRSDDENQDCFG7}

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	2026-05-18T03:18:41.563839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0017d1a59decf283a63218c8d80c4537db4f8ce2506494c7b93db5dc13fe865f

Aliases

arxiv: 1307.3013 · arxiv_version: 1307.3013v1 · doi: 10.48550/arxiv.1307.3013 · pith_short_12: AAL5DJM55TZI · pith_short_16: AAL5DJM55TZIHJRS · pith_short_8: AAL5DJM5

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/AAL5DJM55TZIHJRSDDENQDCFG7 \
  | 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: 0017d1a59decf283a63218c8d80c4537db4f8ce2506494c7b93db5dc13fe865f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f730a69dd9274a0744535545333246e07e1cee3a137c218917be2814f498aa4a",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2013-07-11T08:24:02Z",
    "title_canon_sha256": "85db9ff13b5da80f47e075518b50074e2ef654297df5957600b57e773ef4b8fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.3013",
    "kind": "arxiv",
    "version": 1
  }
}