OpenTechnical

OT-2026-000071403

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000071403) never changes.

Identity and time

Publication numberOT-2026-000071403 · never reused
Internal UUID01a0ae91-e0ed-72ae-bfa9-d128725a4242 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071403
StatusPUBLIC

Content hashes

Canonical textb8275648277ff1004bcc5d98110f0fe526bcc285dc56eb490c5b990adc79142a
Markdown6dff1d85317cb83d87f63e60f5bf47fb5891868fdfdacb0cc35941ee97c15b59
PDF
Publication page1c9af72639cf5dc389189e95e1f216fb39cb6d318ecd71a03fe76ae94fabbe44
Manifestea9c1a0cac9cb624be857acc0cc480a795c66ba4500286680ffa9fc95134e600

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
SignatureOeh13FVMI9d2gphZT+3xSOPBa8vTJKMnQCbkxzDTfbUIC2kEOJ7xh0WvaS79h4iWEsPkuQfwftzHnUWg9ZSyDA==
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

2026-09-17T10:25:01.783605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071403
observed 1c9af72639cf5dc389189e95e1f216fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:01.765196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071403/manifest.json
observed ea9c1a0cac9cb624be857acc0cc480a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:01.748786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071403/publication.md
observed 6dff1d85317cb83d87f63e60f5bf47fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:01.732520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071403/publication.txt
observed b8275648277ff1004bcc5d98110f0fe5...
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.