Pith Number

pith:FBG3I3P7

pith:2025:FBG3I3P7LNQZ7NO3HWGR6UE7OX

not attested not anchored not stored refs pending

Going Down the Abstraction Stream with Augmented Reality and Tangible Robots: the Case of Vector Instruction

Hala Khodr, Pierre Dillenbourg, Sergei Volodin, Wafa Johal

arxiv:2504.14562 v1 · 2025-04-20 · cs.HC · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FBG3I3P7LNQZ7NO3HWGR6UE7OX}

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	2026-07-05T10:51:45.700027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

284db46dff5b619fb5db3d8d1f509f75f655eea16d45841bad6b4f2b94b45222

Aliases

arxiv: 2504.14562 · arxiv_version: 2504.14562v1 · doi: 10.48550/arxiv.2504.14562 · pith_short_12: FBG3I3P7LNQZ · pith_short_16: FBG3I3P7LNQZ7NO3 · pith_short_8: FBG3I3P7

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/FBG3I3P7LNQZ7NO3HWGR6UE7OX \
  | 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: 284db46dff5b619fb5db3d8d1f509f75f655eea16d45841bad6b4f2b94b45222

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96a2613b54c7898120efce7ad1410cfcd96ec962747fe055aef76a6693be43b8",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2025-04-20T10:20:12Z",
    "title_canon_sha256": "19af94e61cbc1723550ef12a06811618e0a3ff8e48b37e92362c61a71c7df969"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.14562",
    "kind": "arxiv",
    "version": 1
  }
}