OpenTechnical

OT-2026-000065050

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000065050) never changes.

Identity and time

Publication numberOT-2026-000065050 · never reused
Internal UUID01a0ae8d-dec6-7832-a8af-f09cee664577 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065050
StatusPUBLIC

Content hashes

Canonical textd8354442456f6d41f6e2bb50d7726acdd92bff2d04b78c166b6f2b4f18495c2a
Markdown73c6b119db88209009caf8adb05cb871cc712b02d51c5e223944bc59cd424e33
PDF
Publication page888ae7a358ad0194b3940bb7948ff59aa82c48aafa7068919a2a130f51dc0d83
Manifest3943df9356cf441d593574fc6fdab3059c032eae390173e526364941dfe210aa

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
SignatureSZ3YAhy3cVwF3HkRnTBLIKSgm4Z+5+BG+sKWJgW0rNHPa4wJtmyo5lsPA/jPVehT3JFn+OqQDISqQ/2m+d2SAg==
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

2026-09-17T10:36:01.494736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065050
observed 888ae7a358ad0194b3940bb7948ff59a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:01.477925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065050/manifest.json
observed 3943df9356cf441d593574fc6fdab305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:01.461671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065050/publication.md
observed 73c6b119db88209009caf8adb05cb871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:01.444918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065050/publication.txt
observed d8354442456f6d41f6e2bb50d7726acd...
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.