OpenTechnical

OT-2026-000067087

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, pulsed 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-2026-000067087) never changes.

Identity and time

Publication numberOT-2026-000067087 · never reused
Internal UUID01a0ae8f-14ff-7d74-a410-28277920ddd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067087
StatusPUBLIC

Content hashes

Canonical text40fe55bd165e9c9d022855fe28d6445522b7a95f47b322c4797dccaa26365236
Markdown952753de61817999d677d39063b1aa59ad7efa6546b34871d5a177f044742abd
PDF
Publication pageb507c86f2c16d137d5293280293e87c2d91930fa944571c13d56a378c2259266
Manifestb7f72c87719c43fe268630894b1dbb02bab4bdc58264ff97f6f7141f89f510e8

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
SignatureYkuEmYa9OOgQ+hyUW+ykGukyqhU9vl3TXtUqO4K3RVlYva3AtKplRp1Xi2S8vZPwVzg8hI9J9xR2ddW57hqXCg==
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

2026-09-17T10:32:21.116339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067087
observed b507c86f2c16d137d5293280293e87c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:21.098385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067087/manifest.json
observed b7f72c87719c43fe268630894b1dbb02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:21.082144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067087/publication.md
observed 952753de61817999d677d39063b1aa59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:21.064486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067087/publication.txt
observed 40fe55bd165e9c9d022855fe28d64455...
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.