OpenTechnical

OT-2026-000092798

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, supply line 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-2026-000092798) never changes.

Identity and time

Publication numberOT-2026-000092798 · never reused
Internal UUID01a0ae9d-b600-7966-a92c-761deb933f18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092798
StatusPUBLIC

Content hashes

Canonical text3f3be3107dd3f96a349d1872ad07254d36e7419e82a3c897608f0f35446a5345
Markdownc05d9ac1edcff9157d752027f7039c93a2e08e99471b1dc233d0dbe49662ce96
PDF
Publication page3f6145e6e2a4638e6b0a352ae7c2228f1d0009d8ef769cad16e50d34c0beb8a9
Manifestb0d7814235f9d4c56664152d6f7aa228d331f965a90ff8cb9cdf9752c75924ab

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
SignatureZ/mdlG6xF+yH7QkkpsaKDWDT5VmwN7kn38b+lWQsySeUMMRM/TGrrwBuyr1+asU9FGuSGWUY5DfQhB/oU0MUBg==
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

2026-09-17T09:41:27.085458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092798
observed 3f6145e6e2a4638e6b0a352ae7c2228f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:27.064487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092798/manifest.json
observed b0d7814235f9d4c56664152d6f7aa228...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:27.046307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092798/publication.md
observed c05d9ac1edcff9157d752027f7039c93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:27.024112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092798/publication.txt
observed 3f3be3107dd3f96a349d1872ad07254d...
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.