OpenTechnical

OT-2026-000067890

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, vented after 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-2026-000067890) never changes.

Identity and time

Publication numberOT-2026-000067890 · never reused
Internal UUID01a0ae8f-c4fc-7442-b463-a8570177da6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067890
StatusPUBLIC

Content hashes

Canonical text8452bfe36e6bd7576c6bd25c06cb8fb41923944fd4b0affe6397872ee0691cf7
Markdown8ff7f33c5cf062386e6b11d42272437e7bfd32274799e592b8c926df21118382
PDF
Publication page6af7ba24d808d56993e9eccddc36428e8984e12d0bd444cf8a74ca9c21e41fc3
Manifest5eea52e2629a8ce5d5efc4dffab03e843ece9e2e614e8a4c157253a601e34d82

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
SignatureZcyAnJNTSwj4km6HyDeRDVC5Jq4A/rzIIvvghYF6U06HsTEivrgdaZZ+KddhKCH6tJZBMMRdWt0eGgI4bH6rCg==
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

2026-09-17T10:30:17.243256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067890
observed 6af7ba24d808d56993e9eccddc36428e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:17.225563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067890/manifest.json
observed 5eea52e2629a8ce5d5efc4dffab03e84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:17.203867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067890/publication.md
observed 8ff7f33c5cf062386e6b11d42272437e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:17.179983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067890/publication.txt
observed 8452bfe36e6bd7576c6bd25c06cb8fb4...
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.