OpenTechnical

OT-2026-000076627

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000076627) never changes.

Identity and time

Publication numberOT-2026-000076627 · never reused
Internal UUID01a0ae94-b06e-75f1-bfd2-9f07e06ecdfe · 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-2026-000076627
StatusPUBLIC

Content hashes

Canonical text1406f0aae0c0a4f56b17a40072a8e2de392ba19806271b057ce29eecc488f8d5
Markdown573f68b6b897cdfca9be7c1dd831a9ff094e26059ebf2afce0959364db3b80fc
PDF
Publication pageba9a03fc6fd44e2855d628fce2c0c29f3a703a1b12744f6d8d2683737f6e3424
Manifest6672f0c5e60d152d30845ff9a6bf4d2faa3fda754b81611e8d9f768f80bb20aa

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
SignaturePczYfNMbt7m1/ND0j1tJfoU5N+26iAtjvxMBYJIn+EbLBU1H5iEK+D1wT4RzGOI19d++49a0xhZh3kYUJMyRAQ==
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

2026-09-17T10:09:21.574707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076627
observed ba9a03fc6fd44e2855d628fce2c0c29f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:21.554049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076627/manifest.json
observed 6672f0c5e60d152d30845ff9a6bf4d2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:21.535395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076627/publication.md
observed 573f68b6b897cdfca9be7c1dd831a9ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:21.516806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076627/publication.txt
observed 1406f0aae0c0a4f56b17a40072a8e2de...
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.