Pith Number

pith:A2YQ5RQ6

pith:2021:A2YQ5RQ6EC6DXPC4NEV6QWFFMZ

not attested not anchored not stored refs pending

Spatial Knowledge Acquisition in Virtual and Physical Reality: A Comparative Evaluation

Diego Monteiro, Hai-Ning Liang, Xian Wang, Yiyu Cai

arxiv:2104.07624 v1 · 2021-04-15 · 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{A2YQ5RQ6EC6DXPC4NEV6QWFFMZ}

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	2026-07-05T02:32:30.128755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06b10ec61e20bc3bbc5c692be858a5664d07c9772de1dd0a3fd67c5140cef2d9

Aliases

arxiv: 2104.07624 · arxiv_version: 2104.07624v1 · doi: 10.48550/arxiv.2104.07624 · pith_short_12: A2YQ5RQ6EC6D · pith_short_16: A2YQ5RQ6EC6DXPC4 · pith_short_8: A2YQ5RQ6

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/A2YQ5RQ6EC6DXPC4NEV6QWFFMZ \
  | 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: 06b10ec61e20bc3bbc5c692be858a5664d07c9772de1dd0a3fd67c5140cef2d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f952de8750e97468e32b3b54e7a456bd84851b157ed56ab8b9cb36e1107f6e9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2021-04-15T17:40:52Z",
    "title_canon_sha256": "38ef38d4316e1adeeda220a668d1e1d5c024536b5c21e6e1136aa66d9ca95afa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.07624",
    "kind": "arxiv",
    "version": 1
  }
}