OpenTechnical

OT-2026-000084554

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000084554) never changes.

Identity and time

Publication numberOT-2026-000084554 · never reused
Internal UUID01a0ae98-e25a-7d28-b890-a3c0dd3f81e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084554
StatusPUBLIC

Content hashes

Canonical textbfbd40a55275c7378a2d2ef45c1ad40967e1ad348452f5ce10e10d4a0ca217bc
Markdown38ce2663a82e18fd7a42786faba27d112385609ed7d25416d66dae32e44d7cdf
PDF
Publication pagea6a3b3b108ed158653dee52e880776889aaafedd7d532b8fbbc31357d2910d4a
Manifest861aaba064a4c1da3620918d3036f108906384a9410775e80cbd2cc35eac198e

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
SignaturesHUx0aAXslXuoj6atRJjso9vE2PsQZ4TRVWVaCvYIMqoPFXveTczd+6I5ymQXpM7rjW3ZDfAfr5JmMq5smaQAA==
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

2026-09-17T09:55:26.813425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084554
observed a6a3b3b108ed158653dee52e88077688...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:26.794511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084554/manifest.json
observed 861aaba064a4c1da3620918d3036f108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:26.776127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084554/publication.md
observed 38ce2663a82e18fd7a42786faba27d11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:26.758363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084554/publication.txt
observed bfbd40a55275c7378a2d2ef45c1ad409...
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.