OpenTechnical

OT-2026-000100668

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000100668) never changes.

Identity and time

Publication numberOT-2026-000100668 · never reused
Internal UUID01a0aea3-66f3-7af8-a7e9-c16cb2e1973d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100668
StatusPUBLIC

Content hashes

Canonical textc12be9166988aa58248fa32e1998590ae56d33c33e783ed9f3498c4829885809
Markdownb70049f61370ff646c694537c967664924fe2b5516f07d12ab014d8bc5b534a8
PDF
Publication page8613f27aa223b69fc6c6ec20e33073ffced4826a52158d049447d180a422589f
Manifest95d4671d9b6c42a1a6dec1e211418797322591913c3c03b76d6d22c556d1988f

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
SignatureQzwZOoH9Vgh+gY2X8EY6BBxBjb7eI4hWr5TufXJSwNWZtbLfRUWiFJ8TIn+VUtOfsv2oOh5Q5qE2ECU3zMa5BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:28.743730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100668
observed 8613f27aa223b69fc6c6ec20e33073ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.724179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100668/manifest.json
observed 95d4671d9b6c42a1a6dec1e211418797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.707171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100668/publication.md
observed b70049f61370ff646c694537c9676649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.686252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100668/publication.txt
observed c12be9166988aa58248fa32e1998590a...
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.