Pith Number

pith:RQPZ3IS4

pith:2015:RQPZ3IS4ERO7PZO6DREMLODZM6

not attested not anchored not stored refs pending

Hypernom: Mapping VR Headset Orientation to S^3

Andrea Hawksley, Henry Segerman, Marc ten Bosch, Vi Hart

arxiv:1507.05707 v1 · 2015-07-21 · math.HO · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RQPZ3IS4ERO7PZO6DREMLODZM6}

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	2026-05-18T01:36:32.696935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c1f9da25c245df7e5de1c48c5b87967a5dd2f25906bd5718e0e605df0e9b235

Aliases

arxiv: 1507.05707 · arxiv_version: 1507.05707v1 · doi: 10.48550/arxiv.1507.05707 · pith_short_12: RQPZ3IS4ERO7 · pith_short_16: RQPZ3IS4ERO7PZO6 · pith_short_8: RQPZ3IS4

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/RQPZ3IS4ERO7PZO6DREMLODZM6 \
  | 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: 8c1f9da25c245df7e5de1c48c5b87967a5dd2f25906bd5718e0e605df0e9b235

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e645a16b086adf91da35de8885cf77af6ff14292bc144138fe589446f67031f",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2015-07-21T04:42:48Z",
    "title_canon_sha256": "51f73f35821acd9ba486cabcdfdf23571db6072310d528102d4f4f5ca8703d1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.05707",
    "kind": "arxiv",
    "version": 1
  }
}