OpenTechnical

OT-2026-000080361

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, 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-2026-000080361) never changes.

Identity and time

Publication numberOT-2026-000080361 · never reused
Internal UUID01a0ae96-7e77-7ef1-9558-89eb0f501b4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080361
StatusPUBLIC

Content hashes

Canonical text062a2dda98b7f23d8c7a8974feb0feca819d16063175dfc9732f6f785079050b
Markdownc3018edff67e3466314c6227078b1aef7e0dc9117cc44c42a008e70d42853653
PDF
Publication page4526ebe0602ad7c03500ab4b0ce6f3be59e15eb40e93ee5c0654005238aeeb40
Manifest953157c8785f3a8e552655aac719561fe2be34796c61ea5942828f5a021e4775

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
SignaturemzPxcB0Zv0SsquhYTjdfvO8g7XFpU3xO8Wc3GDdkxAlu5sA588kOkg+LFbrYbIeievmPFXGu8DbnW8PvgfdxCA==
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

2026-09-17T10:02:50.948045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080361
observed 4526ebe0602ad7c03500ab4b0ce6f3be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:50.929245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080361/manifest.json
observed 953157c8785f3a8e552655aac719561f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:50.908869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080361/publication.md
observed c3018edff67e3466314c6227078b1aef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:50.889497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080361/publication.txt
observed 062a2dda98b7f23d8c7a8974feb0feca...
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.