OpenTechnical

OT-2026-000088668

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000088668) never changes.

Identity and time

Publication numberOT-2026-000088668 · never reused
Internal UUID01a0ae9b-8f0f-7150-a206-b3eec7a81408 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088668
StatusPUBLIC

Content hashes

Canonical text5fb59003f8ed3731c8fccc41adacc93932ef41725addd5fd14e446d29bc1b545
Markdown7aafd249824982fea59093b9162500bc89d08d5ba147104071e5e49e0cb08888
PDF
Publication page429d3b782037c1345eea6a67539ed47998e39b6b0b03688c85be6fb0b66919ca
Manifestddc8987d3f478e70b152976692ac3956b6f668d01b841381ef638ea0b83eddc8

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
Signature2nGi0LTpL0wCwQB3lfJm5AaYB6Jg0zpN6k95R9szyIs9CbQE4C62AP35RvTA/5xr6XjOkK/xzU3jHX051sAzBw==
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

2026-09-17T09:47:53.728847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088668
observed 429d3b782037c1345eea6a67539ed479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:53.710577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088668/manifest.json
observed ddc8987d3f478e70b152976692ac3956...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:53.693300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088668/publication.md
observed 7aafd249824982fea59093b9162500bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:53.675786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088668/publication.txt
observed 5fb59003f8ed3731c8fccc41adacc939...
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.