OpenTechnical

OT-2026-000075216

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000075216) never changes.

Identity and time

Publication numberOT-2026-000075216 · never reused
Internal UUID01a0ae93-f200-7f66-a17d-0864fc36deba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075216
StatusPUBLIC

Content hashes

Canonical text48c7edfd8d59a25558ac83470ed77e4104ff08a54f98d7ab93066ba461963e7d
Markdownbee24b9b6076a926d16b539571914172b6f986ca4a9c061121b166098b1a4ab8
PDF
Publication pageafaa28cb647ac5ae2f0fb49c33190255458f9db61dd15044ddcc0a40b31393cc
Manifest1ccf6b1e1f1efc6cc96fe3f60ea6e1591e2ddd8fae5fc4a82d64d39d16edce67

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
Signature3UqIZhZbtuN0XfDlyTKhob+8xnMwla0fUXBAqo88Cg6YgAa6iNm4N9XCxKKjqLbAwB8MsVN03JVclV+ZEvajAg==
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

2026-09-17T10:20:29.285737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075216
observed afaa28cb647ac5ae2f0fb49c33190255...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:29.265283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075216/manifest.json
observed 1ccf6b1e1f1efc6cc96fe3f60ea6e159...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:29.216954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075216/publication.md
observed bee24b9b6076a926d16b539571914172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:29.196831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075216/publication.txt
observed 48c7edfd8d59a25558ac83470ed77e41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:43.802316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075216
observed afaa28cb647ac5ae2f0fb49c33190255...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:43.782359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075216/manifest.json
observed 1ccf6b1e1f1efc6cc96fe3f60ea6e159...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:43.765554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075216/publication.md
observed bee24b9b6076a926d16b539571914172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:43.746306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075216/publication.txt
observed 48c7edfd8d59a25558ac83470ed77e41...
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.