OpenTechnical

OT-2026-000077432

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, vented after 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-2026-000077432) never changes.

Identity and time

Publication numberOT-2026-000077432 · never reused
Internal UUID01a0ae94-f509-7464-9b38-318146cad4b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077432
StatusPUBLIC

Content hashes

Canonical text84f70f4e6d2881f1ad84bbac5cd9172d4fec1f28de65fdcaa0a00a3f8b8eab20
Markdown2d8159597786419a2d279515c0b11a44847d1b01143306c3c5321eb2f9bbf7bd
PDF
Publication pagecafc4061c7711682e7cc647bdc04e2b5f13c7da3b7583f0020f1b35dd086b03f
Manifest82e4ae015400e44d3134c86e31bf909abbd4dbb06ecc3addd639d62a137bf1be

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
Signaturenc38fjNFFh7rIfFGsjl07/to6ZVrnjk1XGs6VO8Ajw8ndhos+g0tWeBejdnX1OU+zM6bJUMWueM0z22mDGRxCw==
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

2026-09-17T10:09:06.937553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077432
observed cafc4061c7711682e7cc647bdc04e2b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:06.918511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077432/manifest.json
observed 82e4ae015400e44d3134c86e31bf909a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:06.898794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077432/publication.md
observed 2d8159597786419a2d279515c0b11a44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:06.876277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077432/publication.txt
observed 84f70f4e6d2881f1ad84bbac5cd9172d...
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.