Pith Number

pith:PERY2LSU

pith:2012:PERY2LSUE7CUKSFGXRARH6KOE7

not attested not anchored not stored refs pending

A review of EO image information mining

Igor G. Olaizola, Marco Quartulli

arxiv:1203.0747 v2 · 2012-03-04 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PERY2LSUE7CUKSFGXRARH6KOE7}

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	2026-05-18T02:51:23.686365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79238d2e5427c54548a6bc4113f94e27e2b4002447f04aaff9cfc3d14bef62ef

Aliases

arxiv: 1203.0747 · arxiv_version: 1203.0747v2 · doi: 10.48550/arxiv.1203.0747 · pith_short_12: PERY2LSUE7CU · pith_short_16: PERY2LSUE7CUKSFG · pith_short_8: PERY2LSU

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/PERY2LSUE7CUKSFGXRARH6KOE7 \
  | 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: 79238d2e5427c54548a6bc4113f94e27e2b4002447f04aaff9cfc3d14bef62ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bafd4157fab47549397ec626f129536d524879ee105555ad44a195ad1e1a70b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2012-03-04T16:33:41Z",
    "title_canon_sha256": "8e53a6909d70e629296eff97caad0fdf5be8f9f6a3751cbc6f635aa577d43a06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0747",
    "kind": "arxiv",
    "version": 2
  }
}