OpenTechnical

OT-2026-000086328

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000086328) never changes.

Identity and time

Publication numberOT-2026-000086328 · never reused
Internal UUID01a0ae9a-2c96-71e4-93e3-16575b4f946e · 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-2026-000086328
StatusPUBLIC

Content hashes

Canonical textabdf17ece27b5000d377c4f51280a546b779aa712e18a5039b44823005c7542a
Markdown4ef7878afa8aa246d8134f61ed667583b6091596f151c1c594c7cdb7296b4808
PDF
Publication page05488bfdb70283107b3622f94ad524343f024c437d8143d0ee88ff74169de48e
Manifestab91a6887ae1395f48e447c1ba39f3e1dadd889a5ea0dd55049566d86a79cade

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
SignatureDYfRCC4/d1loYvwuT3PxD41d8epmstfyOcnuDnlze25hkG6XLSzMBSgJZ1d66i72Mk1BtBN8GwzoRyYO+tt0Cw==
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

2026-09-17T09:52:01.021883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086328
observed 05488bfdb70283107b3622f94ad52434...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:01.003977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086328/manifest.json
observed ab91a6887ae1395f48e447c1ba39f3e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:00.983455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086328/publication.md
observed 4ef7878afa8aa246d8134f61ed667583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:00.963711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086328/publication.txt
observed abdf17ece27b5000d377c4f51280a546...
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.