OpenTechnical

OT-2026-000088713

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000088713) never changes.

Identity and time

Publication numberOT-2026-000088713 · never reused
Internal UUID01a0ae9b-8f0f-7045-b604-b397926a1044 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088713
StatusPUBLIC

Content hashes

Canonical textd2f3459a57c4a721dcef0e028e5d05fbdf0e9d09755070bed8de15ccc6eb1128
Markdown8f8c8bd9374f450556ee4a909e28b808e7d78c0b621db243cf7dd04844667394
PDF
Publication page611ffe11262e2b2eca08dfb33fc5c1bcf41c437949cca77eebe5bdef6e3c66eb
Manifest0773161e81fdc49e3e4641f5669d8fab7ff87bf501a1707e2c95dc3e2304deeb

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
SignatureFnfv5fxU3dovYYjONURze4gZiN6L52/pkNZIv6lXnoXL/3O3VM0KILOE0ZH/RBGC8NsSGk8eU2udN/vCRwUuBg==
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

2026-09-17T09:47:57.091504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088713
observed 611ffe11262e2b2eca08dfb33fc5c1bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:57.075125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088713/manifest.json
observed 0773161e81fdc49e3e4641f5669d8fab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:57.058633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088713/publication.md
observed 8f8c8bd9374f450556ee4a909e28b808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:57.041698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088713/publication.txt
observed d2f3459a57c4a721dcef0e028e5d05fb...
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.