OpenTechnical

OT-2026-000089135

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000089135) never changes.

Identity and time

Publication numberOT-2026-000089135 · never reused
Internal UUID01a0ae9b-db00-7f04-ae4d-62bd6af8d2fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089135
StatusPUBLIC

Content hashes

Canonical text2af25aeb8b7384faec1f82e314fe1c86abe524fb1e0a3a30e55e4f2e748eb043
Markdown3cb63567eba97990a4ffa6710bd64cfc9576456edd748b71d8d136dba94e3a14
PDF
Publication page7a428d6eca8c52e14e53ba421b332dcc8eaa80f86b8985563e5522254fa861c7
Manifestd005f1e280c4f7ea2bca6186dd154c91203c6015cd5ffb9034b9284b205999b5

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
SignaturevTVuLbIwZyvBoM1LuTt9CJurwi5+o99aj5ycyJHji/f+e5oIjgdIiGv+Dbta8javb0sNBf+dmtNXgGoVQJMtDw==
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

2026-09-17T09:47:03.194919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089135
observed 7a428d6eca8c52e14e53ba421b332dcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.177212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089135/manifest.json
observed d005f1e280c4f7ea2bca6186dd154c91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.161476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089135/publication.md
observed 3cb63567eba97990a4ffa6710bd64cfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.143044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089135/publication.txt
observed 2af25aeb8b7384faec1f82e314fe1c86...
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.