OpenTechnical

OT-2026-000086484

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two 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-2026-000086484) never changes.

Identity and time

Publication numberOT-2026-000086484 · never reused
Internal UUID01a0ae9a-2c97-7f66-a9ff-bb89ff48c0f2 · 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-2026-000086484
StatusPUBLIC

Content hashes

Canonical textb74eac094d1b95665e19a42c2de4709e3a739fe48d53c64bb5d3bf9c422bdba9
Markdownae702b9984650525573efcf47b3e61dde8af36f83181471ff3ea429b73849bb5
PDF
Publication page9de1bb1c3d37ff38cf3e78bd01f394922c37e0b42d46b52d1e5628b8e693fa42
Manifestee1bd84ec24744afed31d479b9962f19606deb9bc7d8351794ae63ca7026fbf8

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
SignatureI88PLkKmcoiX3gZmLKe7E0fbkt8gU4SDY+oYePVMGT+AZcpdAaBkw7yRtrHIMwoyfbc1BsVH5p3x1pw1QG0rDw==
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

2026-09-17T09:52:17.766416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086484
observed 9de1bb1c3d37ff38cf3e78bd01f39492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.748032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086484/manifest.json
observed ee1bd84ec24744afed31d479b9962f19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.729144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086484/publication.md
observed ae702b9984650525573efcf47b3e61dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.711505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086484/publication.txt
observed b74eac094d1b95665e19a42c2de4709e...
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.