Pith Number

pith:VTGMYUU7

pith:2021:VTGMYUU7ONPPVS3QDPSP2OOIJS

not attested not anchored not stored refs pending

Teaching Math with the help of Virtual Reality

Damiano Perri, Marco Simonetti, Natale Amato, Osvaldo Gervasi

arxiv:2111.01973 v1 · 2021-11-03 · physics.ed-ph · cs.GR · cs.HC · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VTGMYUU7ONPPVS3QDPSP2OOIJS}

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	2026-07-05T03:28:45.061726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

accccc529f735efacb701be4fd39c84ca44e6aaf471ee40eaf9780a193978adf

Aliases

arxiv: 2111.01973 · arxiv_version: 2111.01973v1 · doi: 10.48550/arxiv.2111.01973 · pith_short_12: VTGMYUU7ONPP · pith_short_16: VTGMYUU7ONPPVS3Q · pith_short_8: VTGMYUU7

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/VTGMYUU7ONPPVS3QDPSP2OOIJS \
  | 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: accccc529f735efacb701be4fd39c84ca44e6aaf471ee40eaf9780a193978adf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2dc364df58c384e43f8b29024d635f02bf223ef84747f2730a5e9f83fcd552c",
    "cross_cats_sorted": [
      "cs.GR",
      "cs.HC",
      "math.HO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2021-11-03T01:55:06Z",
    "title_canon_sha256": "5d43dfaf33a6b94235a89514bb0f6992934b8df8c337712646937110c9289f7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.01973",
    "kind": "arxiv",
    "version": 1
  }
}