Pith Number

pith:PBBYPNFI

pith:2020:PBBYPNFIRWLL2P4YR2XQHCBWRD

not attested not anchored not stored refs pending

Optimizing Information Freshness in Two-Hop Status Update Systems under a Resource Constraint

Branka Vucetic, He Chen, Qian Wang, Yifan Gu, Yonghui Li

arxiv:2007.02531 v2 · 2020-07-06 · cs.IT · cs.NI · eess.SP · 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{PBBYPNFIRWLL2P4YR2XQHCBWRD}

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	2026-07-05T02:18:16.437506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

784387b4a88d96bd3f988eaf03883688e9d2c645751293a00e49813f639531b4

Aliases

arxiv: 2007.02531 · arxiv_version: 2007.02531v2 · doi: 10.48550/arxiv.2007.02531 · pith_short_12: PBBYPNFIRWLL · pith_short_16: PBBYPNFIRWLL2P4Y · pith_short_8: PBBYPNFI

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/PBBYPNFIRWLL2P4YR2XQHCBWRD \
  | 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: 784387b4a88d96bd3f988eaf03883688e9d2c645751293a00e49813f639531b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a13139f269655846173fd8be82620c370985a63868c7de07197c6aad3b3f752",
    "cross_cats_sorted": [
      "cs.NI",
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2020-07-06T05:29:36Z",
    "title_canon_sha256": "f8381081c1f6eb6be335ad7243b4e576145e05a0a859cf5efb4ae5b658cd3de7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.02531",
    "kind": "arxiv",
    "version": 2
  }
}