OpenTechnical

OT-2026-000084450

Publication integrity record

Three bellows cup 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-2026-000084450) never changes.

Identity and time

Publication numberOT-2026-000084450 · never reused
Internal UUID01a0ae98-5b63-781c-95b9-5529a3781275 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084450
StatusPUBLIC

Content hashes

Canonical text8ea74ffe9701190d751a4296043c7c08c164ac71ae6643722054092c82665f1f
Markdown31b91abae96e3e984b463074f8e72f564ed04e2a78c053a5a0902f5b3e69019c
PDF
Publication page9b2b55f529a3aed00d8aaae2198c103ddadc556d6bcb94531b6b1b5dcd7d2bcd
Manifest408c978cbd9178dbcb18b49f6a70a534bc124388ee5b3fa644dd99816308cd47

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
SignatureYiv7ZCUO4QzOERsLVs3aG71tPBJ4UzguhEugr7+QVfxeG5kOSXs2UwHnDdUwquOt0iWVlh+G1D1shJM6+TgDBQ==
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

2026-09-17T09:56:24.569561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084450
observed 9b2b55f529a3aed00d8aaae2198c103d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:24.539506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084450/manifest.json
observed 408c978cbd9178dbcb18b49f6a70a534...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:24.521832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084450/publication.md
observed 31b91abae96e3e984b463074f8e72f56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:24.503946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084450/publication.txt
observed 8ea74ffe9701190d751a4296043c7c08...
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.