OpenTechnical

OT-2026-000071055

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000071055) never changes.

Identity and time

Publication numberOT-2026-000071055 · never reused
Internal UUID01a0ae91-8c2e-7b12-a3e3-662ac3b31d29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071055
StatusPUBLIC

Content hashes

Canonical texte05df8db15c9676644d1e8fbf5cd7071c11b2252c10e936d45b0411bfc121d9d
Markdownc3e1784c86ed2ae9c15d94b9f57c91e4fb54339cae0b57ec12e9f4b4c6df7428
PDF
Publication page556c080a88cdec18f708124664a9dba913779e83b290d8acaa6e5d2aa2bea69c
Manifestadb7f7bec226f09d55a74bed8513fd0ae22f920e50759c1dc0cec369b4128cfd

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
SignatureMM6PTi9XFpbSOCyncOsulPTdn7X0E77/2/p+HjIWXESUZD6olgCHUJEdlwoXNLRnUwA82B2ZN+xcygdCseKzAw==
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

2026-09-17T10:25:54.763531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071055
observed 556c080a88cdec18f708124664a9dba9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:54.746927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071055/manifest.json
observed adb7f7bec226f09d55a74bed8513fd0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:54.730328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071055/publication.md
observed c3e1784c86ed2ae9c15d94b9f57c91e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:54.713274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071055/publication.txt
observed e05df8db15c9676644d1e8fbf5cd7071...
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.