Pith Number

pith:QHFIGDME

pith:2015:QHFIGDMEYLTLAXUFJ6CEDKI4OY

not attested not anchored not stored refs pending

A Distributed Tracking Algorithm for Reconstruction of Graph Signals

Mengdi Wang, Xiaohan Wang, Yuantao Gu

arxiv:1502.02973 v1 · 2015-02-10 · 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{QHFIGDMEYLTLAXUFJ6CEDKI4OY}

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	2026-07-05T06:31:46.457923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81ca830d84c2e6b05e854f8441a91c763a60ffccb3916714b0fc5f92c8e55478

Aliases

arxiv: 1502.02973 · arxiv_version: 1502.02973v1 · doi: 10.48550/arxiv.1502.02973 · pith_short_12: QHFIGDMEYLTL · pith_short_16: QHFIGDMEYLTLAXUF · pith_short_8: QHFIGDME

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/QHFIGDMEYLTLAXUFJ6CEDKI4OY \
  | 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: 81ca830d84c2e6b05e854f8441a91c763a60ffccb3916714b0fc5f92c8e55478

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56c4d49ad9232af9002dd88bd5cf6bfecd7ee1f210ccfcc8c00a9898bfa777f0",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-02-10T16:33:33Z",
    "title_canon_sha256": "b9d671535e763fcc0fb25903bf2d5c53d4428a72d019f5276c1b45f154e81139"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02973",
    "kind": "arxiv",
    "version": 1
  }
}