OpenTechnical

OT-2026-000050435

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, 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-2026-000050435) never changes.

Identity and time

Publication numberOT-2026-000050435 · never reused
Internal UUID01a0ae82-5c48-7614-a83f-22e5f7cda993 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050435
StatusPUBLIC

Content hashes

Canonical texta14dfdc424fd5233aca1ce6ba51cbbede27d58b74e7396800951de5f696a897f
Markdowndd8f11907c3944ea93323d957ee72a96c8ddb62f3533fc6e1ebb49e00dc49085
PDF
Publication page7906eac41051f03dd16e37c3b52e724fa9ada0bf8946247771c8b9aebe0ab289
Manifestcfecdcfefb10dc7cc62b0c8b5af094a15a7e166baaaa0575885a2a695d43218b

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
SignatureK/b2hsJ/JEstoblYbsYyILM/r5hLKK/bP+ekQy6z0uvZo/3ST+oCrNUu2PnneIJJVeuvMG5FHEejIAsEOsLRCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:28.885564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050435
observed 7906eac41051f03dd16e37c3b52e724f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:28.867466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050435/manifest.json
observed cfecdcfefb10dc7cc62b0c8b5af094a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:28.851636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050435/publication.md
observed dd8f11907c3944ea93323d957ee72a96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:28.836023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050435/publication.txt
observed a14dfdc424fd5233aca1ce6ba51cbbed...
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.