OpenTechnical

OT-2026-000091082

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000091082) never changes.

Identity and time

Publication numberOT-2026-000091082 · never reused
Internal UUID01a0ae9c-c012-7016-8e38-7f3e42019fe3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091082
StatusPUBLIC

Content hashes

Canonical text2d234611e743f97c982466be11b91647a05dedd0b44142159116022ab447c328
Markdown72fb0287b9594479c6635a18fba0c7967b002bcae9a85edb9f02e06ea6551fbf
PDF
Publication page9cec64ab9bed83fe6e788ee18e3e520052d08604536ab49ee8630db4aadacb4b
Manifest38aab723e1a6298ddb4557f6ad82d5909013782df4aedbd0242561bc9476e4ef

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
Signaturev9uZ1gsbaFlmG2cl2H4swHoYMip7kj0tV2BibWlNw2J7js9zfrgynnMSUE8mcYOqEN9IXtLOYogWrE/AkELTCg==
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

2026-09-17T09:44:19.673104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091082
observed 9cec64ab9bed83fe6e788ee18e3e5200...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:19.656566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091082/manifest.json
observed 38aab723e1a6298ddb4557f6ad82d590...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:19.640677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091082/publication.md
observed 72fb0287b9594479c6635a18fba0c796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:19.623932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091082/publication.txt
observed 2d234611e743f97c982466be11b91647...
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.