Pith Number

pith:ZDLZFAAH

pith:2022:ZDLZFAAH2GWEONBNJKSRKFTBXA

not attested not anchored not stored refs pending

GRASP EARTH: Intuitive Software for Discovering Changes on the Planet

Masanari Kimura, Ryohei Izawa, Shirou Kawakita, Waku Hatakeyama

arxiv:2203.00955 v1 · 2022-03-02 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZDLZFAAH2GWEONBNJKSRKFTBXA}

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	2026-07-05T04:01:35.779681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8d7928007d1ac47342d4aa5151661b812515b740a1e5c1f828ec4b0ea3726df

Aliases

arxiv: 2203.00955 · arxiv_version: 2203.00955v1 · doi: 10.48550/arxiv.2203.00955 · pith_short_12: ZDLZFAAH2GWE · pith_short_16: ZDLZFAAH2GWEONBN · pith_short_8: ZDLZFAAH

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/ZDLZFAAH2GWEONBNJKSRKFTBXA \
  | 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: c8d7928007d1ac47342d4aa5151661b812515b740a1e5c1f828ec4b0ea3726df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c1953232b934f080dce00c17a70d0b200ce590679d39e6541e91ee92fcc4bdf",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-03-02T09:08:42Z",
    "title_canon_sha256": "2918dee5d21a904ab209b0ed7fca487b4fccf58216605c2b2c60922cfb51ac03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.00955",
    "kind": "arxiv",
    "version": 1
  }
}