OpenTechnical

OT-2026-000008786

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed blow-off after 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-2026-000008786) never changes.

Identity and time

Publication numberOT-2026-000008786 · never reused
Internal UUID01a0ae6a-e46c-7942-a22f-9d45b9f2aee0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008786
StatusPUBLIC

Content hashes

Canonical text921d5d3c24ac6bbe7d88c7bc2825b3d4620b01e0e3f17c155648c2aec936a251
Markdown3dff7c602d67f7f1b5ac8868d50ae432c4ba7abc70666a92bb056b28ba2b8b12
PDF
Publication page42a12a79b755a9ec786b25b79b024d24e8efe3e607d764982c6aa5a4eabe8003
Manifest76bc4cd96b98236e5412fc35f3a647e692eab47fc780ea233fc7b638ab3a59db

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
SignatureQa6DIX+WkaU2lmLS8lhj5h36bkp2/I3Ad5+4k7xmWEm1+OWoYwD3mIKLG1erFAetpOU+wAvAY6RH1UvtGBBwCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:04.079811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008786
observed 42a12a79b755a9ec786b25b79b024d24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.058185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008786/manifest.json
observed 76bc4cd96b98236e5412fc35f3a647e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.038469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008786/publication.md
observed 3dff7c602d67f7f1b5ac8868d50ae432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.020663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008786/publication.txt
observed 921d5d3c24ac6bbe7d88c7bc2825b3d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:43.019136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008786
observed 42a12a79b755a9ec786b25b79b024d24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:42.999120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008786/manifest.json
observed 76bc4cd96b98236e5412fc35f3a647e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:42.979691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008786/publication.md
observed 3dff7c602d67f7f1b5ac8868d50ae432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:42.960556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008786/publication.txt
observed 921d5d3c24ac6bbe7d88c7bc2825b3d4...
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.