OpenTechnical

OT-2026-000070239

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, pulsed 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-2026-000070239) never changes.

Identity and time

Publication numberOT-2026-000070239 · never reused
Internal UUID01a0ae91-545e-7446-9c6d-1367f0ad909f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070239
StatusPUBLIC

Content hashes

Canonical text1ff94fad6a87011ddef649ca6f58b317656083993c6dd77be68df3fd1a6149e1
Markdowncf08a9e7c5af7f23817eb8883861b6e877d9a8c83352ea61cdbde79b69d16aa5
PDF
Publication page2bb52560a1c2f8619c9ae9d17e7c04daa63e61ee03c7c903dca6ebc93973b676
Manifest6952f6e6494b71d66a3a6eb6a4a9589ad3430e75f2478771c0ee70a2f467b413

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
Signaturej3hzy/mQSrIOa5A7O7fz7jCS/VI0twCyhocqQnCU497aeA6FksopiOiEFBj/aXK7rNDKHea3xZfCD7glV+T3DA==
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

2026-09-17T10:26:00.849819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070239
observed 2bb52560a1c2f8619c9ae9d17e7c04da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:00.832844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070239/manifest.json
observed 6952f6e6494b71d66a3a6eb6a4a9589a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:00.816146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070239/publication.md
observed cf08a9e7c5af7f23817eb8883861b6e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:00.798111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070239/publication.txt
observed 1ff94fad6a87011ddef649ca6f58b317...
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.