Pith Number

pith:F3UA2SBT

pith:2017:F3UA2SBTAPKEAZ3L6TBJDOSEXZ

not attested not anchored not stored refs pending

Non-euclidean virtual reality II: explorations of $\mathbb{H}^2\times\mathbb{E}$

Andrea Hawksley, Elisabetta A. Matsumoto, Henry Segerman, Vi Hart

arxiv:1702.04862 v1 · 2017-02-16 · math.HO · math.GT · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F3UA2SBTAPKEAZ3L6TBJDOSEXZ}

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	2026-05-18T00:50:36.977857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ee80d483303d440676bf4c291ba44be4b53bbf3468a9acb13467b36bc58a94e

Aliases

arxiv: 1702.04862 · arxiv_version: 1702.04862v1 · doi: 10.48550/arxiv.1702.04862 · pith_short_12: F3UA2SBTAPKE · pith_short_16: F3UA2SBTAPKEAZ3L · pith_short_8: F3UA2SBT

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/F3UA2SBTAPKEAZ3L6TBJDOSEXZ \
  | 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: 2ee80d483303d440676bf4c291ba44be4b53bbf3468a9acb13467b36bc58a94e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18544c0859f58cd6f411894f44093f2e619459b55519768b6ce3d7ca6443ef73",
    "cross_cats_sorted": [
      "math.GT",
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2017-02-16T05:40:39Z",
    "title_canon_sha256": "6f55e6984a124f9742ca5bc5e50e4fda6af23c4b58c307c096341ea7441c47e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04862",
    "kind": "arxiv",
    "version": 1
  }
}