OpenTechnical

OT-2026-000081823

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000081823) never changes.

Identity and time

Publication numberOT-2026-000081823 · never reused
Internal UUID01a0ae97-0f75-7825-84c7-05aa526d4b1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081823
StatusPUBLIC

Content hashes

Canonical text605582eb97e81ac1ebddc7a009696eed90404a4ed07b25602efaa8fc8bf09d5c
Markdown9fbe6236aa7ac7f47eed01ba6240bb8165b6cd05a3c464a6488ba26c4983cc18
PDF
Publication page1c2bf5c33222f7b62bc3e1ba771b6356b00e6bf9fc63bc046e77ba824e602d1e
Manifestb70aa12ebcee3b6eddffbf2f9b5528e57fa849622721f5bdd8f19e72f4df63c4

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
SignatureRnLhNAppD1DMTnToFRy42+Emd29IuFcjbT522t1+h0Q6dJQ2IWg8m0vc/IqvOF7wyKK1OiEKbTcipvSp5lw2DA==
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

2026-09-17T09:59:55.827207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081823
observed 1c2bf5c33222f7b62bc3e1ba771b6356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:55.810211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081823/manifest.json
observed b70aa12ebcee3b6eddffbf2f9b5528e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:55.791699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081823/publication.md
observed 9fbe6236aa7ac7f47eed01ba6240bb81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:55.772500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081823/publication.txt
observed 605582eb97e81ac1ebddc7a009696eed...
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.