Pith Number

pith:UTUKVFE2

pith:2019:UTUKVFE2CKQWSVXRIAFF6LY3MP

not attested not anchored not stored refs pending

Optimizing Consistent Merging and Pruning of Subgraphs in Network Tomography

Gregory Berkolaiko, Mahmood Ettehad, Nick Duffield

arxiv:1908.03519 v1 · 2019-08-09 · math.OC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UTUKVFE2CKQWSVXRIAFF6LY3MP}

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	2026-07-04T23:52:40.644586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4e8aa949a12a16956f1400a5f2f1b63d8e4660b64d376c9a50ea72365b8214b

Aliases

arxiv: 1908.03519 · arxiv_version: 1908.03519v1 · doi: 10.48550/arxiv.1908.03519 · pith_short_12: UTUKVFE2CKQW · pith_short_16: UTUKVFE2CKQWSVXR · pith_short_8: UTUKVFE2

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/UTUKVFE2CKQWSVXRIAFF6LY3MP \
  | 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: a4e8aa949a12a16956f1400a5f2f1b63d8e4660b64d376c9a50ea72365b8214b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4d1dbcfb7cd477d17de878a67650c75ad82688b9089e0cbf758be25d0b52c41",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-08-09T16:19:21Z",
    "title_canon_sha256": "88478c11c1c593e0ea9f401479f54fa364054eccba0266152f5326202e6f96bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03519",
    "kind": "arxiv",
    "version": 1
  }
}