OpenTechnical

OT-2026-000089970

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, manifold 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-2026-000089970) never changes.

Identity and time

Publication numberOT-2026-000089970 · never reused
Internal UUID01a0ae9c-428e-78d9-a6d6-0b553c3a2c83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089970
StatusPUBLIC

Content hashes

Canonical text52f262f73846e6193766d5bdfa3bdc75fd81f6a1fa3160810a5638480e7f4284
Markdownf6e71b6abc8cf48bf963578de3e56c27a8e33fbed2cf6ca700330a53ee4858ba
PDF
Publication pagec6ef3dd814679f93e665253178ca61b42b01a5b3453868bb901be62a2cbb2d7a
Manifestee6df69174074bc048a19a37308e9cbc4250ec7f8396a876d731399cdb5b4e7c

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
SignatureMpeVbgTLFSt0FdClmyU/OcWB2Pw7fTDt98CmQ9yhHPBm7dL5usKETlbpSrh2P59yL57JlIqSdnP0eowXPRLpBw==
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

2026-09-17T09:45:21.471780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089970
observed c6ef3dd814679f93e665253178ca61b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:21.454854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089970/manifest.json
observed ee6df69174074bc048a19a37308e9cbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:21.435991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089970/publication.md
observed f6e71b6abc8cf48bf963578de3e56c27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:21.418478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089970/publication.txt
observed 52f262f73846e6193766d5bdfa3bdc75...
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.