OpenTechnical

OT-2026-000086454

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, 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-2026-000086454) never changes.

Identity and time

Publication numberOT-2026-000086454 · never reused
Internal UUID01a0ae9a-2c97-77ff-bd2d-8b39b59820e2 · 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-2026-000086454
StatusPUBLIC

Content hashes

Canonical text1e4480648aee22075df3dd8d4fb61ecabce0ea255ccf238eb91fba57e719b8ed
Markdowndcb7efca967744847fa1655b05942670bc9f39e4f538c7908a50099b79510cfc
PDF
Publication page5e0e34bfeed46917a2a4f0dfcd50021528c8dfc89aac647b7ac767f2edf633db
Manifeste8770eba46d25da81140f776e06b838477117d4ad4f5b8714eaed86841cc0c8d

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
Signature7mstQXvp9/4Ju1HRfpzPxaPii3Sf0seNkZLicPkANNc5qLMWuRLCw6kbuM+z1cJ1EbuTCbprGuD9y6molJIbBw==
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

2026-09-17T09:52:15.423916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086454
observed 5e0e34bfeed46917a2a4f0dfcd500215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.406442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086454/manifest.json
observed e8770eba46d25da81140f776e06b8384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.388652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086454/publication.md
observed dcb7efca967744847fa1655b05942670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.371131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086454/publication.txt
observed 1e4480648aee22075df3dd8d4fb61eca...
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.