OpenTechnical

OT-2026-000080664

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000080664) never changes.

Identity and time

Publication numberOT-2026-000080664 · never reused
Internal UUID01a0ae96-b973-73f4-a9e6-e1c75ed6d206 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080664
StatusPUBLIC

Content hashes

Canonical textcd8cdf051262c403168c62509ce301bd4c76bd5795e17f9370d4a3209c74809d
Markdown6e510b57579c3e4572223b1c69ecf7aed8090154ff1e90b532a36d40b56b4e63
PDF
Publication pagefd6142ae6393ca1c391c1c01cfcab17d1169efb0643bf2f1f11947bb184966e1
Manifest2bb32e0d39a3ce4c0105603a7468c8e855ffcca9a9c433f21b3e390ea01df992

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureaYG6QywMoAAVd6Auoiup5YoVmrdfVfLFDemHzQ90KR2NJ4DwL/CkZyYVvdDyhRskLbnBPZw65xnS9skAho2XCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:01:41.561898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080664
observed fd6142ae6393ca1c391c1c01cfcab17d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:41.542579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080664/manifest.json
observed 2bb32e0d39a3ce4c0105603a7468c8e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:41.523452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080664/publication.md
observed 6e510b57579c3e4572223b1c69ecf7ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:41.502718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080664/publication.txt
observed cd8cdf051262c403168c62509ce301bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.