OpenTechnical

OT-2026-000088786

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single 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-2026-000088786) never changes.

Identity and time

Publication numberOT-2026-000088786 · never reused
Internal UUID01a0ae9b-8f10-7417-a183-85a94fd02e9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088786
StatusPUBLIC

Content hashes

Canonical textd5cf28a8c42bf5fae4e42d4acc128c23d20ff981c5c023ae5a94c80c9c0754a9
Markdown086bc4e1a649d860e2921ff739d2f8ba2e16fe8d1b1977c10ee34e18cd1a710d
PDF
Publication page8843cd21da09fa0b9ed288b251a5c62b5704f47b2bade22cde26050180483683
Manifest0a9b67fd03400bc4fee29d012e69d4773f7272abe91b56f2a709192682c65b78

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
SignaturembiNNjnUqWzbewqgdcQ6E+1tNRtMBOQsX/iHMsQY0PmRJrC7U0atGXLR3I6DLx7/G0+6MAqXteZBOZ6ENeM+Dw==
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

2026-09-17T09:48:09.827733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088786
observed 8843cd21da09fa0b9ed288b251a5c62b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:09.805634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088786/manifest.json
observed 0a9b67fd03400bc4fee29d012e69d477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:09.785858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088786/publication.md
observed 086bc4e1a649d860e2921ff739d2f8ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:09.766277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088786/publication.txt
observed d5cf28a8c42bf5fae4e42d4acc128c23...
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.