OpenTechnical

OT-2026-000073317

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single 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-2026-000073317) never changes.

Identity and time

Publication numberOT-2026-000073317 · never reused
Internal UUID01a0ae92-efb7-70ae-8d82-a7f5d94cb869 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073317
StatusPUBLIC

Content hashes

Canonical text294ed27623944f94035d5e413b2f4aed85b19a5f1371621cf985ccf117de5294
Markdown33874d62748b23b74cb252a1bbcbc06f87673bd593bb325b39fb32faf71eb161
PDF
Publication pagee5dd295c63fba0c57f0d1f3066bea0f14f477d48dd73ac0f9eddafe43879f960
Manifest70ad2f3066797955a8b661b89c235c6488c2dff9176f3acc343da25c5b1735f4

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
Signaturep8PD9vS1FlIdjH8iP4QZeGl1UBKSgrwGgNu394kLR5QuAhgKjxY+ROMWylyXLyXhTER4f7T/DK8uclwdyDqhAQ==
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

2026-09-17T10:21:19.835835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073317
observed e5dd295c63fba0c57f0d1f3066bea0f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:19.816122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073317/manifest.json
observed 70ad2f3066797955a8b661b89c235c64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:19.794959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073317/publication.md
observed 33874d62748b23b74cb252a1bbcbc06f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:19.774917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073317/publication.txt
observed 294ed27623944f94035d5e413b2f4aed...
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.