OpenTechnical

OT-2026-000087005

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, sustained blow-off 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-2026-000087005) never changes.

Identity and time

Publication numberOT-2026-000087005 · never reused
Internal UUID01a0ae9a-9f2c-7b5f-980c-69aa5501408b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087005
StatusPUBLIC

Content hashes

Canonical texte602c38e474182016769b50a1f8f15b2bbf32ce1bdd5edfdf485f5fdc2653eb8
Markdown6df780e1d3faca01124a3d392872b51e6a546c016876a3e0b2a57f56b9fc157a
PDF
Publication page864c4605f5fbe7c86547d330f4aeca95fc56782d2e93c1b297a1b19d8b266132
Manifest2f6f32158c479897f88b58786f7bcf906fd897459b4183bcdefa1f47e9db6c1d

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
SignatureSz/o3IcmK6bj7yZsn5P7WkyTlsp3UQQ1NSHtAnOIwjdAMQE3cbo1QUaH9QzoYfLwhLZl1QIe7oJ8GXyJlM6ABg==
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

2026-09-17T09:51:13.462014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087005
observed 864c4605f5fbe7c86547d330f4aeca95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:13.444413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087005/manifest.json
observed 2f6f32158c479897f88b58786f7bcf90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:13.424957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087005/publication.md
observed 6df780e1d3faca01124a3d392872b51e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:13.407335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087005/publication.txt
observed e602c38e474182016769b50a1f8f15b2...
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.