OpenTechnical

OT-2026-000072534

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two 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-2026-000072534) never changes.

Identity and time

Publication numberOT-2026-000072534 · never reused
Internal UUID01a0ae92-89d8-7efe-9736-fe02d610e0ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072534
StatusPUBLIC

Content hashes

Canonical text6c7e4535bb5a1c691985e7a7c5ee0d5c77f04360c774ec7bbe7de41c2ff00f7c
Markdownd553a3ea58d49f7851260832e51a555a6420e3ec7ae7e1800a1f2a46fe5f3b8d
PDF
Publication page94065b8428ec4c4b5a1597f1b21543e711cd0100d439d153547f0682ab05c36e
Manifestbe526a3ae2ed4f761439b5131aa11992a507f27aab95b24c35aeca0d67c5280a

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
Signatureq8c8z5OnNWOzSNkpf3VYtgXIt7GGKf9zvO2mVv3D1+a2xc2pSo31u70BwDSjFK4K+MdVDvaaJcGLyh4L6CwyDw==
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

2026-09-17T10:22:21.946517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072534
observed 94065b8428ec4c4b5a1597f1b21543e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.928745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072534/manifest.json
observed be526a3ae2ed4f761439b5131aa11992...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.911776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072534/publication.md
observed d553a3ea58d49f7851260832e51a555a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.895630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072534/publication.txt
observed 6c7e4535bb5a1c691985e7a7c5ee0d5c...
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.