Pith Number

pith:FE7NOX4R

pith:2019:FE7NOX4RTHCXISCAHFXP5YTIFM

not attested not anchored not stored refs pending

On the Common Randomness Capacity of a Special Class of Two-way Channels

Saeed Hajizadeh

arxiv:1906.11231 v1 · 2019-06-26 · 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{FE7NOX4RTHCXISCAHFXP5YTIFM}

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	2026-05-17T23:42:09.324989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

293ed75f9199c5744840396efee2682b0f27f9765c48adf2a5186f6bbd93d98c

Aliases

arxiv: 1906.11231 · arxiv_version: 1906.11231v1 · doi: 10.48550/arxiv.1906.11231 · pith_short_12: FE7NOX4RTHCX · pith_short_16: FE7NOX4RTHCXISCA · pith_short_8: FE7NOX4R

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/FE7NOX4RTHCXISCAHFXP5YTIFM \
  | 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: 293ed75f9199c5744840396efee2682b0f27f9765c48adf2a5186f6bbd93d98c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70e5240f405f6f6ca33ebbeff8cd8380b0c62093c41e4d172179a73cb7a4ce23",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-06-26T17:47:28Z",
    "title_canon_sha256": "1702fa96ea2a395d545320f3fcb182f93e0f4dc1f7f9bd20da2dec8849354d0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.11231",
    "kind": "arxiv",
    "version": 1
  }
}