OpenTechnical

OT-2026-000075566

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, vented before set-down

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-2026-000075566) never changes.

Identity and time

Publication numberOT-2026-000075566 · never reused
Internal UUID01a0ae94-29fc-7015-ab24-4e0640c16d29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075566
StatusPUBLIC

Content hashes

Canonical text0484ef9b9ebeaef66b323bd462aeea597b9c8a47b8d4d2dfedeca20a4f37e160
Markdown42f4ca46b2c95134c7a4c29b97a815eb29253175271767b3584803d2995a7b9f
PDF
Publication pageb176042a9988431c38cb84f67ad65f88cf6e961d239f932d3f5dbf51384cf040
Manifest6bdb4e85cc0a763e03f1cfeb721b32eaefce1ee2acf68a7510675e1d087318cb

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
SignatureXFxxqepV1Zf6g5O0OZOIUETixBLS9BwA3HR6sbAYpkkJ7VyCg4MRP5fruH4O5chKrOvI6VsUir5+5cvJXhjWCQ==
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

2026-09-17T10:12:59.267777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075566
observed b176042a9988431c38cb84f67ad65f88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:59.246312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075566/manifest.json
observed 6bdb4e85cc0a763e03f1cfeb721b32ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:58.790645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075566/publication.md
observed 42f4ca46b2c95134c7a4c29b97a815eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:58.536312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075566/publication.txt
observed 0484ef9b9ebeaef66b323bd462aeea59...
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.