OpenTechnical

OT-2026-000085503

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six 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-2026-000085503) never changes.

Identity and time

Publication numberOT-2026-000085503 · never reused
Internal UUID01a0ae99-aaac-7a98-9415-c09b454b01b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085503
StatusPUBLIC

Content hashes

Canonical text866f9627f5ae39015ab7281f08e4fec2afc3d96d36b4b675bc3d300427aab95c
Markdown5f4940a7ecc7ec3214a7c097feb21c887a1df7d35106ac9c477522a9eac874b9
PDF
Publication pagee0a11117d1741f971531a95f9b4584cbc1248cf4b4f7e2a0dbdaf8f3ebd10e01
Manifestc2c1e86c5e16a137f8521454cfaae7d0156a6802ce59f5d4de8df3990088be80

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
Signature4xY+yTgiAluXCj4uVU3uUMPDo97DNdoS/t7zcSDDzLdLCbhYgR+rZNdB0IIJlkYCEpLlE+hdFKFqHwES1dsVBQ==
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

2026-09-17T09:54:18.350013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085503
observed e0a11117d1741f971531a95f9b4584cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:18.333480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085503/manifest.json
observed c2c1e86c5e16a137f8521454cfaae7d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:18.315657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085503/publication.md
observed 5f4940a7ecc7ec3214a7c097feb21c88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:18.297550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085503/publication.txt
observed 866f9627f5ae39015ab7281f08e4fec2...
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.