Pith Number

pith:ULBMKUVA

pith:2009:ULBMKUVASOYTYUDN6YHJ6NR4ZW

not attested not anchored not stored refs pending

A New Approach to Random Access: Reliable Communication and Reliable Collision Detection

Anthony Ephremides, Jie Luo

arxiv:0909.0553 v3 · 2009-09-03 · 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{ULBMKUVASOYTYUDN6YHJ6NR4ZW}

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	2026-05-18T00:58:47.994948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2c2c552a093b13c506df60e9f363ccd9471273bc4580866b1ffeda45c028afb

Aliases

arxiv: 0909.0553 · arxiv_version: 0909.0553v3 · doi: 10.48550/arxiv.0909.0553 · pith_short_12: ULBMKUVASOYT · pith_short_16: ULBMKUVASOYTYUDN · pith_short_8: ULBMKUVA

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/ULBMKUVASOYTYUDN6YHJ6NR4ZW \
  | 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: a2c2c552a093b13c506df60e9f363ccd9471273bc4580866b1ffeda45c028afb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82ea8f6ff1d17b8a6171f85f11aec56b9928ac98ef82eb708ebd5a5532ca45a6",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-09-03T00:36:58Z",
    "title_canon_sha256": "8a2156b86c7657daf40df09e4491b2ea5cc7c5fc658e3fd04b36ca511e47a663"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0553",
    "kind": "arxiv",
    "version": 3
  }
}