OpenTechnical

OT-2026-000078601

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000078601) never changes.

Identity and time

Publication numberOT-2026-000078601 · never reused
Internal UUID01a0ae95-7c29-75e3-aee0-332005b90a63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078601
StatusPUBLIC

Content hashes

Canonical textd33b683de3e5f3d873ee25e4889546d22a80bdba902ff65342a2fae6c118a903
Markdownf28382da5642651b513239251e93515fc2d63b94916e50b6c972ddd1714d4321
PDF
Publication pagee4123f5d3bf2a6e34c4117918c26e419bbe8bb295160c4fd76213d84e8cf58cc
Manifestdf4fa20f0b8f4a97aa55694afc6f6818b817789e6e989fcd167857cb0c663d57

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
SignatureuhkYci0+Aoun1DOCFmR/2LM7kEwrWLDENwO6AizNwrYd2gr81g44zlILAfHkwGhJ9OPyYH0kSURdNqsds0YCBg==
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

2026-09-17T10:06:38.013349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078601
observed e4123f5d3bf2a6e34c4117918c26e419...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.995012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078601/manifest.json
observed df4fa20f0b8f4a97aa55694afc6f6818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.976191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078601/publication.md
observed f28382da5642651b513239251e93515f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.958040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078601/publication.txt
observed d33b683de3e5f3d873ee25e4889546d2...
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.