Pith Number

pith:QTJ7MH26

pith:2018:QTJ7MH26XFDY5O7VSZ2D45OFSG

not attested not anchored not stored refs pending

System-Aware Compression

Alfred M. Bruckstein, Michael Elad, Yehuda Dar

arxiv:1801.04853 v2 · 2018-01-15 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QTJ7MH26XFDY5O7VSZ2D45OFSG}

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	2026-05-18T00:16:14.049436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84d3f61f5eb9478ebbf596743e75c591b51f0792c3e4f82fa9af0b6f0858b3d9

Aliases

arxiv: 1801.04853 · arxiv_version: 1801.04853v2 · doi: 10.48550/arxiv.1801.04853 · pith_short_12: QTJ7MH26XFDY · pith_short_16: QTJ7MH26XFDY5O7V · pith_short_8: QTJ7MH26

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/QTJ7MH26XFDY5O7VSZ2D45OFSG \
  | 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: 84d3f61f5eb9478ebbf596743e75c591b51f0792c3e4f82fa9af0b6f0858b3d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "571645db86e92abae53d80ddc84e6fc5a3fe30def71c16a27999c1a3e83eb568",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-01-15T15:47:28Z",
    "title_canon_sha256": "558f2624d7281b55474ba561a013f83d86170ec8870cb7ef4898039e48141adb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04853",
    "kind": "arxiv",
    "version": 2
  }
}