Pith Number

pith:LDUXCOFQ

pith:2019:LDUXCOFQX4NIKE5RHUHBGU55OJ

not attested not anchored not stored refs pending

Secret Key Capacity For Multipleaccess Channel With Public Feedback

Himanshu Tyagi, Shun Watanabe

arxiv:1902.08970 v1 · 2019-02-24 · 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{LDUXCOFQX4NIKE5RHUHBGU55OJ}

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	2026-05-17T23:52:47.047730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58e97138b0bf1a8513b13d0e1353bd727e0aef771ed53ef94f316ca5e442fe9f

Aliases

arxiv: 1902.08970 · arxiv_version: 1902.08970v1 · doi: 10.48550/arxiv.1902.08970 · pith_short_12: LDUXCOFQX4NI · pith_short_16: LDUXCOFQX4NIKE5R · pith_short_8: LDUXCOFQ

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/LDUXCOFQX4NIKE5RHUHBGU55OJ \
  | 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: 58e97138b0bf1a8513b13d0e1353bd727e0aef771ed53ef94f316ca5e442fe9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b99119a6d1f7bcb7422b30dc4e4f8d8e021f019825b7d1942fe9aea120465c39",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-02-24T15:54:31Z",
    "title_canon_sha256": "7c226a113cdaeb3dc312c1c48dfb2046db8d580f0ed5e40af2a28990321fd610"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08970",
    "kind": "arxiv",
    "version": 1
  }
}