Pith Number

pith:CF7DM753

pith:2018:CF7DM753V2NXSLCO7NA4MKJHNE

not attested not anchored not stored refs pending

Smooth, Efficient, and Interruptible Zooming and Panning

Andrew Reach, Chris North

arxiv:1801.09358 v1 · 2018-01-29 · cs.GR

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

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	2026-05-18T00:24:57.664330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

117e367fbbae9b792c4efb41c629276920eb0feacff517aa1b3a5020f0d745a4

Aliases

arxiv: 1801.09358 · arxiv_version: 1801.09358v1 · doi: 10.48550/arxiv.1801.09358 · pith_short_12: CF7DM753V2NX · pith_short_16: CF7DM753V2NXSLCO · pith_short_8: CF7DM753

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/CF7DM753V2NXSLCO7NA4MKJHNE \
  | 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: 117e367fbbae9b792c4efb41c629276920eb0feacff517aa1b3a5020f0d745a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8faae8a8a47f33e9d0143d3077f458f4c5fab182f6e46330b326d3b39b92c82",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2018-01-29T04:39:56Z",
    "title_canon_sha256": "89ec11a11bf291cd80c8fbcba4cce561cf3376d1a0c74ec2e2b59beb1901adba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09358",
    "kind": "arxiv",
    "version": 1
  }
}