OpenTechnical

OT-2026-000077211

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000077211) never changes.

Identity and time

Publication numberOT-2026-000077211 · never reused
Internal UUID01a0ae94-f508-74cd-9f9d-52c4538ed8ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077211
StatusPUBLIC

Content hashes

Canonical textfd285ba4d443567083c61ba8de5b1658124e1f6a6019525281bd45e33c4a48a5
Markdowndf10d6107e8fe4d531cbfe629e281cf0f4188bcdd68d69b45ad4313a60443a41
PDF
Publication page8a4e4f4e5c4ac7617f2c04f7dd53ea6c5a96895a214db0cbc30d56bf85883674
Manifest968e22b10a17e896c170307cfe2f4a61402aaca4e8afc8e3f9b0634ceb70ced0

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
SignatureF1UAyPGrRjUfSFfFwLLnr+47WlSg4XYs/yWd4xdXTjqcQXQC4SP/NEoHug5OU7/NFc3LKEVyQeU15bqd+9BuAQ==
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

2026-09-17T10:08:48.741992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077211
observed 8a4e4f4e5c4ac7617f2c04f7dd53ea6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:48.720161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077211/manifest.json
observed 968e22b10a17e896c170307cfe2f4a61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:48.698858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077211/publication.md
observed df10d6107e8fe4d531cbfe629e281cf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:48.677960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077211/publication.txt
observed fd285ba4d443567083c61ba8de5b1658...
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.