OpenTechnical

OT-2026-000074150

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000074150) never changes.

Identity and time

Publication numberOT-2026-000074150 · never reused
Internal UUID01a0ae93-7177-7d47-b86f-96e4a141a94a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074150
StatusPUBLIC

Content hashes

Canonical textb16d5afcd158add487d4c32227cbeabb4e7184ae2673e32bde4a7d45aeba9956
Markdown88b7987bb02b5e8fa3a99b6f989e8f1b83af8696e4acdf9a6c0a7b1ed5e669fb
PDF
Publication page334bc07cfe2708da84eba0631fcbc1a2cf1f71447ceb92bd1ae8981a002cf2dc
Manifest0726f70cea389fbaf24ac52f1de55bf5133b8254134868651e200ed050b90794

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
SignaturePeQ7FtwjDuly19JQZuipaZwpxY4X40fpdlV8dGIFeFH47k0OpZyRN8ciL6QE5/K3SPDP2XXdR5tM0WWraq34Cg==
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

2026-09-17T10:18:59.836760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074150
observed 334bc07cfe2708da84eba0631fcbc1a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:59.819452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074150/manifest.json
observed 0726f70cea389fbaf24ac52f1de55bf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:59.801527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074150/publication.md
observed 88b7987bb02b5e8fa3a99b6f989e8f1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:59.784683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074150/publication.txt
observed b16d5afcd158add487d4c32227cbeabb...
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.