OpenTechnical

OT-2026-000076697

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000076697) never changes.

Identity and time

Publication numberOT-2026-000076697 · never reused
Internal UUID01a0ae94-b06f-7343-9012-e425b52bc0c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076697
StatusPUBLIC

Content hashes

Canonical text6bfc27083b822d9790792219e0ff4c2d61532d5c19c1825866b934aebc04157e
Markdown997973f6179e335ec759da6f66e7b924e481f9bdf68ca50ce32ad103f48bbb10
PDF
Publication pagec2a068ba14cdf4cd8abd966f2e7d68aa3db107974ed5315897d54432cae18559
Manifest190caad8b5ebf60cea317e91b87d80650d791f9cd90c92440a9ac2a0da6430fd

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
SignatureRwTaX5Fy0xhTWtN2r3YpC4DMRpOTANe8hF+rUOJNXPf3a3k8VnknGA26vlMNRusq2yPrcRv4BXPTjOWER9x5Ag==
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

2026-09-17T10:09:27.629754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076697
observed c2a068ba14cdf4cd8abd966f2e7d68aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:27.610884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076697/manifest.json
observed 190caad8b5ebf60cea317e91b87d8065...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:27.589976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076697/publication.md
observed 997973f6179e335ec759da6f66e7b924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:27.568920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076697/publication.txt
observed 6bfc27083b822d9790792219e0ff4c2d...
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.