Pith Number

pith:IGVCRQQ6

pith:2017:IGVCRQQ6M7IBLCH2Z67I3RTIPA

not attested not anchored not stored refs pending

Spatio-Temporal Reference Frames as Geographic Objects

Andrew Simmons, Rajesh Vasa

arxiv:1711.00218 v2 · 2017-11-01 · 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{IGVCRQQ6M7IBLCH2Z67I3RTIPA}

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	2026-05-18T00:30:40.245085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41aa28c21e67d01588facfbe8dc66878336499f60d3f15d90bd51e7e3a78b7ba

Aliases

arxiv: 1711.00218 · arxiv_version: 1711.00218v2 · doi: 10.48550/arxiv.1711.00218 · pith_short_12: IGVCRQQ6M7IB · pith_short_16: IGVCRQQ6M7IBLCH2 · pith_short_8: IGVCRQQ6

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/IGVCRQQ6M7IBLCH2Z67I3RTIPA \
  | 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: 41aa28c21e67d01588facfbe8dc66878336499f60d3f15d90bd51e7e3a78b7ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b8cdac8b3a84efe60776d651ac1ea57181b63d56c65c0879608d6f14feee276",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2017-11-01T06:24:14Z",
    "title_canon_sha256": "8c1c000bb7c12f24258653af3e59c782108605fc8c7447a7519e1f745e4b6bab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.00218",
    "kind": "arxiv",
    "version": 2
  }
}