OpenTechnical

OT-2026-000091340

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091340) never changes.

Identity and time

Publication numberOT-2026-000091340 · never reused
Internal UUID01a0ae9c-f16c-7d30-86b3-029a67487bc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091340
StatusPUBLIC

Content hashes

Canonical text9971f2b0e00a5026fcc27295f3f65ab3fe260bd5326739bf31c739f14d7aba43
Markdownbe9ddb129379e852d5ea090d024e77ba4d530f715fc5be7aa6afe628829713bd
PDF
Publication page3e578a2107334bbb1bd8253f8908c15e5f579f2293d70eb38e17bbcee0d1ab31
Manifest8acd1c16afd4d7b6287e7275bb660c322b01ab48ba57ec21df6e4ffd948a64ea

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
SignatureOZgP5dLPTaQ6855mmS04VxlPUfVC15DY5Q9f4O9QlczHjYaAdsO0/KN6Yl/HbaVt4Nx4ctxM82+Moia5TVKaBw==
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

2026-09-17T09:43:32.962621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091340
observed 3e578a2107334bbb1bd8253f8908c15e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:32.944230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091340/manifest.json
observed 8acd1c16afd4d7b6287e7275bb660c32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:32.925826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091340/publication.md
observed be9ddb129379e852d5ea090d024e77ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:32.907709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091340/publication.txt
observed 9971f2b0e00a5026fcc27295f3f65ab3...
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.