OpenTechnical

OT-2026-000065575

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single 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-2026-000065575) never changes.

Identity and time

Publication numberOT-2026-000065575 · never reused
Internal UUID01a0ae8e-46fa-732c-8ca6-094d00dfd038 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065575
StatusPUBLIC

Content hashes

Canonical text7e3a2b21779eb27c16731e0e15eee98830b094cf2e2f91100149f6325ef7fd05
Markdown445e35f4dee2902703302e9088be49a334c69982f4b8208de489beed319a2e85
PDF
Publication pagefe11bee68e263672523fb4595788776ac9e8f60a2cb25bc289787a7760bb1d3c
Manifest6393ab6fbd255d85f6fc4b0d3a76f5ee99da6d15b525430877192d051c660b90

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
Signature66y2GSUu71SpwaR4LgIPsD/YuhW4BS0fFTYOjPJhO+d7AvS5AjaCcuIF/ViKjdo5TyICD/i+YiK22EbhtkrkDA==
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

2026-09-17T10:33:55.444354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065575
observed fe11bee68e263672523fb4595788776a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:55.412725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065575/manifest.json
observed 6393ab6fbd255d85f6fc4b0d3a76f5ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:55.375874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065575/publication.md
observed 445e35f4dee2902703302e9088be49a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:55.345091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065575/publication.txt
observed 7e3a2b21779eb27c16731e0e15eee988...
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.