Pith Number

pith:FW5JOCOT

pith:2017:FW5JOCOTLSSC4RQ7T6NZW6UKYJ

not attested not anchored not stored refs pending

Spatial Data Infrastructures

Wenwen Li, YingJie Hu

arxiv:1707.03969 v2 · 2017-07-13 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FW5JOCOTLSSC4RQ7T6NZW6UKYJ}

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	2026-05-18T00:38:17.738998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dba9709d35ca42e461f9f9b9b7a8ac24d6f030b2d4a3fbee403836cc36b2118

Aliases

arxiv: 1707.03969 · arxiv_version: 1707.03969v2 · doi: 10.48550/arxiv.1707.03969 · pith_short_12: FW5JOCOTLSSC · pith_short_16: FW5JOCOTLSSC4RQ7 · pith_short_8: FW5JOCOT

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/FW5JOCOTLSSC4RQ7T6NZW6UKYJ \
  | 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: 2dba9709d35ca42e461f9f9b9b7a8ac24d6f030b2d4a3fbee403836cc36b2118

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2611816b7339839529acd5a01949d99edaef25773c6c41461e1eab5a42a14c42",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2017-07-13T03:51:54Z",
    "title_canon_sha256": "62e8d324fee779db3e206f2a774d73de23d4a3b2e2a5eafed96121db12df18f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.03969",
    "kind": "arxiv",
    "version": 2
  }
}