OpenTechnical

OT-2026-000086785

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000086785) never changes.

Identity and time

Publication numberOT-2026-000086785 · never reused
Internal UUID01a0ae9a-80a4-77fb-8f9c-863aafddc20a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086785
StatusPUBLIC

Content hashes

Canonical textd3f1b3bbb201addad3808268ae6d61408f55d8e61e70238bc43f7870c9c856bb
Markdown75554df8ca28413033fd94b14165e4788266e06652054507e245ece5c6684ae1
PDF
Publication page4fe1d4bd5213a6b690fec85b4cc239d4891937a66d6b8b17b1de20bf8697b687
Manifest08683c95b91050c41170e675e96aebd050d51cac631c975a9311e92bd0006a90

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
Signature7qwN6lBw27JFN0Pb0RW7CCpT18irsQQFwx5hP0DSfpbtwHqRs1HT4VKy7ZXhqjEB4M3w4k4dEHh1RWholRyMCw==
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

2026-09-17T09:51:35.666411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086785
observed 4fe1d4bd5213a6b690fec85b4cc239d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:35.648336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086785/manifest.json
observed 08683c95b91050c41170e675e96aebd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:35.628890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086785/publication.md
observed 75554df8ca28413033fd94b14165e478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:35.611347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086785/publication.txt
observed d3f1b3bbb201addad3808268ae6d6140...
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.