Pith Number

pith:VK5BK3YH

pith:2025:VK5BK3YHXX5Q24JKGSC3B2QWDW

not attested not anchored not stored refs pending

Photonic Rails in ML Datacenters

Chuhan Ouyang, Eric Ding, Rachee Singh

arxiv:2507.08119 v1 · 2025-07-10 · cs.NI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VK5BK3YHXX5Q24JKGSC3B2QWDW}

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	2026-07-05T11:35:17.600666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aaba156f07bdfb0d712a3485b0ea161d905b6d71d08a30e71521b14ddfd010ab

Aliases

arxiv: 2507.08119 · arxiv_version: 2507.08119v1 · doi: 10.48550/arxiv.2507.08119 · pith_short_12: VK5BK3YHXX5Q · pith_short_16: VK5BK3YHXX5Q24JK · pith_short_8: VK5BK3YH

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/VK5BK3YHXX5Q24JKGSC3B2QWDW \
  | 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: aaba156f07bdfb0d712a3485b0ea161d905b6d71d08a30e71521b14ddfd010ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "333ff63ed8ab408ec36adb9edbed1408a520a84c08787176ef2256efb16dfe92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2025-07-10T19:14:16Z",
    "title_canon_sha256": "eebe72491724293fda5da102b77f35c3d688d646889bf38a9705936056ce9667"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.08119",
    "kind": "arxiv",
    "version": 1
  }
}