OpenTechnical

OT-2026-000099148

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two 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-2026-000099148) never changes.

Identity and time

Publication numberOT-2026-000099148 · never reused
Internal UUID01a0aea2-8288-7a8d-ac51-23c8ea6dca14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099148
StatusPUBLIC

Content hashes

Canonical textb898b3512e80e370bdca9443a74cbcfb60c3875c54997147a6f4d1db5de7fcb0
Markdownfd4f0f66c2843916281c86c3a0c9c6abdfd34593ff6058213d1e1dbc9fbd626c
PDF
Publication page47440dbec47fd9b85f0332b7a96f8e232af08f29222e885a59e4ee4426c67e6c
Manifest623833b6a1908012a197324efd69559ba4e7674f4feee6718fd890f1d033d947

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
Signature0YZ3HUHHTlj0pld6UUMp6urdGa1Jv9/MvhDjQq27jbRkJjOutnc3wxm8sWlGfuJXCbrxCG1yfTVcEA/9uO0ODQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:31.343341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099148
observed 47440dbec47fd9b85f0332b7a96f8e23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:31.326026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099148/manifest.json
observed 623833b6a1908012a197324efd69559b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:31.307904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099148/publication.md
observed fd4f0f66c2843916281c86c3a0c9c6ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:31.289669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099148/publication.txt
observed b898b3512e80e370bdca9443a74cbcfb...
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.