OpenTechnical

OT-2026-000089361

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, manifold 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-2026-000089361) never changes.

Identity and time

Publication numberOT-2026-000089361 · never reused
Internal UUID01a0ae9b-db01-7ada-a8f3-011b8e9935f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089361
StatusPUBLIC

Content hashes

Canonical textccc4d15864a034b5b60e53a683c7883a052d5f0d5b707fd298a8cd9355d96454
Markdown63f7170318e8e66e18a13239634ab7202270038e0a77ac8ad00d1ddbd92d5f2e
PDF
Publication page4be406364fe6d261745bf8d53000041150e9911a0e67e7f3698f642d756cab97
Manifestde34ddbb97b68668b9a16859b6deef81af66acc413d0209d81bd336eaff55d56

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
SignaturenKYA983p9qG8UMsqA5OnRqXEDqzC9IUy553LJSQHC8FcZUB4C2bQl5V24yulj7ER5/P4UzlQwE8bkgCMVM6rAA==
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

2026-09-17T09:47:29.705351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089361
observed 4be406364fe6d261745bf8d530000411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:29.688645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089361/manifest.json
observed de34ddbb97b68668b9a16859b6deef81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:29.666036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089361/publication.md
observed 63f7170318e8e66e18a13239634ab720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:29.642018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089361/publication.txt
observed ccc4d15864a034b5b60e53a683c7883a...
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.