Pith Number

pith:JFIWZLPK

pith:2013:JFIWZLPK5PPWXCFSM2MFDBR5X3

not attested not anchored not stored refs pending

Virtual Reality: A Definition History - A Personal Essay

Steve Bryson

arxiv:1312.4322 v1 · 2013-12-16 · 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{JFIWZLPK5PPWXCFSM2MFDBR5X3}

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	2026-05-18T03:04:34.925680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49516cadeaebdf6b88b2669851863dbec1b8215a7953c87e5393791609213aab

Aliases

arxiv: 1312.4322 · arxiv_version: 1312.4322v1 · doi: 10.48550/arxiv.1312.4322 · pith_short_12: JFIWZLPK5PPW · pith_short_16: JFIWZLPK5PPWXCFS · pith_short_8: JFIWZLPK

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/JFIWZLPK5PPWXCFSM2MFDBR5X3 \
  | 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: 49516cadeaebdf6b88b2669851863dbec1b8215a7953c87e5393791609213aab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "369271fb283f606db0e3ffbc49a9379b677b33757ce56f3130823ade35377dc4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2013-12-16T11:33:06Z",
    "title_canon_sha256": "17eebb5ae4d0d5f372c685f53e8579eb2a769c8e73bea2a476bce0de0c784dd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4322",
    "kind": "arxiv",
    "version": 1
  }
}