OpenTechnical

OT-2026-000086411

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three 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-2026-000086411) never changes.

Identity and time

Publication numberOT-2026-000086411 · never reused
Internal UUID01a0ae9a-2c97-72db-aa52-144ab76ee7cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086411
StatusPUBLIC

Content hashes

Canonical text149f4d33f72d108b60d496590f94c57a52d082d5f7f898870e73804a668256a5
Markdowncdc9ffc6c8196bcc10446b680eb26a989d5e4a21b9885abd1fdb12db3b9ecedd
PDF
Publication page0020bd0afd2fc467a686e30be8ea8c88ccabbc0d1f37daa58e37aefdd95084c3
Manifestdc79aa5754af5954ca9fc20c9f1f7972633798284be6252f96e1bc6cfd6a6867

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
SignatureliB5aelpvRaEcCCCTU3yutS2/cHXYxSTIG2Ez+JQ1z8deyQOLr1V2NTdvt71+v5PBCGZJueM1udWnlNWuXvsBQ==
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

2026-09-17T09:52:12.143532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086411
observed 0020bd0afd2fc467a686e30be8ea8c88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:12.124522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086411/manifest.json
observed dc79aa5754af5954ca9fc20c9f1f7972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:12.107343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086411/publication.md
observed cdc9ffc6c8196bcc10446b680eb26a98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:12.087544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086411/publication.txt
observed 149f4d33f72d108b60d496590f94c57a...
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.