Pith Number

pith:E2EEJBPW

pith:2018:E2EEJBPW55JC552RNOCCUWGJPW

not attested not anchored not stored refs pending

An Optimization Approach to the Langberg-M\'edard Multiple Unicast Conjecture

Guangyue Han, Kai Cai

arxiv:1806.03408 v1 · 2018-06-09 · 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{E2EEJBPW55JC552RNOCCUWGJPW}

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	2026-05-18T00:13:43.478801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26884485f6ef522ef7516b842a58c97d9aa363de5ab738abe53cee26b2ea4d5c

Aliases

arxiv: 1806.03408 · arxiv_version: 1806.03408v1 · doi: 10.48550/arxiv.1806.03408 · pith_short_12: E2EEJBPW55JC · pith_short_16: E2EEJBPW55JC552R · pith_short_8: E2EEJBPW

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/E2EEJBPW55JC552RNOCCUWGJPW \
  | 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: 26884485f6ef522ef7516b842a58c97d9aa363de5ab738abe53cee26b2ea4d5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "475052237fb936945b610cb7f974ecdb78e463b4b06530e87abb3a9dad7c9ee6",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-06-09T04:22:02Z",
    "title_canon_sha256": "a43915c78de165b843369c43a1b739deac26da65db899e5f1d08c915fc811796"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.03408",
    "kind": "arxiv",
    "version": 1
  }
}