OpenTechnical

OT-2026-000070627

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000070627) never changes.

Identity and time

Publication numberOT-2026-000070627 · never reused
Internal UUID01a0ae91-8c2b-7a16-a1f5-465f5d064b39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070627
StatusPUBLIC

Content hashes

Canonical text5055fd318c0f993bdeabcf9a7a3aaeb9ebf1d06a1fe9f0765ab7739680609a19
Markdownd02e4683c248f1ee7dd4f61998b10d120298ac4ba451635919500f09cda091cb
PDF
Publication paged8140a796b8f45f8735492538d29e87a7a7c3d7d364f88e9d6b89c2f2ddbe285
Manifestbe51504966184f8747749dfd1c075d40cea60d33b006c24977f8195df2b3e5e3

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
Signaturef//Oy3G/5/5vHxHawv2A+jO1mX2CcWqT0XvXFXO4tvMl8waKJhhJbqGcf/7S3XwIEwNkP5NJLaal8DaU2f4lAw==
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

2026-09-17T10:25:17.615836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070627
observed d8140a796b8f45f8735492538d29e87a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:17.597586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070627/manifest.json
observed be51504966184f8747749dfd1c075d40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:17.579109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070627/publication.md
observed d02e4683c248f1ee7dd4f61998b10d12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:17.561211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070627/publication.txt
observed 5055fd318c0f993bdeabcf9a7a3aaeb9...
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.