OpenTechnical

OT-2026-000086747

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, 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-2026-000086747) never changes.

Identity and time

Publication numberOT-2026-000086747 · never reused
Internal UUID01a0ae9a-2c99-7017-9f37-bd3d5ecf666f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086747
StatusPUBLIC

Content hashes

Canonical textc52b9855e56473f7b22874456dbe62a190012e2472bf7df5091c1a48d5fcf0d6
Markdownc4ceb5a57e9832b1dbc20f587dd953c72cf695bdcae4a907cc00bd7d85c3386b
PDF
Publication page91e4aba8f02f0fc99946eab20cfccf991706f7048535031a1701d3ac21cf0554
Manifest8fda8babd974ff2b0d85b61a4b647e66e9af6e037f23538ec9248cd17781a6b1

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
SignaturePHtIzkFqQ0kpfqlz7iKwwM+Zk7xGzIqOifJmgZKJo5gY3Rz8Y318Lkzi6cl3hN7fqi5/JpK620pMLTbyDEXXBw==
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

2026-09-17T09:52:37.766334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086747
observed 91e4aba8f02f0fc99946eab20cfccf99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:37.748993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086747/manifest.json
observed 8fda8babd974ff2b0d85b61a4b647e66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:37.730779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086747/publication.md
observed c4ceb5a57e9832b1dbc20f587dd953c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:37.712384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086747/publication.txt
observed c52b9855e56473f7b22874456dbe62a1...
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.