OpenTechnical

OT-2026-000087564

Publication integrity record

Foam pad vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, 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-2026-000087564) never changes.

Identity and time

Publication numberOT-2026-000087564 · never reused
Internal UUID01a0ae9a-cd52-7204-99f0-5efb3256394f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087564
StatusPUBLIC

Content hashes

Canonical texta32218680a3348037a6d6e278b1a57cac6e2f6423d6e28f8d2db2a9f2737c5fe
Markdowne364a19c44da83a5e339daf251551abd921091d1de2ac8c198d68ed22c420ee2
PDF
Publication page042680c528ef6720d92e25fddf987a2e9786f7f52ec4324eb1e238b064519afc
Manifestb8405a8d6bb6fc2ca1bf46fdd854a4e14d4060f235c55f35c17f1deb28491863

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
Signature9HcXv4stPXEaQkfl+Q1aIW22aENxioGEqBNGQIEn5FD3CjQzMRkdkS/wMv6YvTsJ8Jf74mtfneLg0s2Ky/HiCQ==
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

2026-09-17T09:50:54.559227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087564
observed 042680c528ef6720d92e25fddf987a2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:54.543590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087564/manifest.json
observed b8405a8d6bb6fc2ca1bf46fdd854a4e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:54.527472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087564/publication.md
observed e364a19c44da83a5e339daf251551abd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:54.510592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087564/publication.txt
observed a32218680a3348037a6d6e278b1a57ca...
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.