OpenTechnical

OT-2026-000090603

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000090603) never changes.

Identity and time

Publication numberOT-2026-000090603 · never reused
Internal UUID01a0ae9c-7f2f-75e6-9f5b-2e36591f586f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090603
StatusPUBLIC

Content hashes

Canonical textcc8de8946aa9fb21a6214016bc64c6e5d9df4a68b7203ab68a938e3582808207
Markdown36d3f16c6a23431f39bb7cb166145c3c0155ac02fb52e81f1027244629a22911
PDF
Publication page06ffaeed3fb7e2c86bf8712cd54371d597287aaa4cfc2b3792fea2506d526baf
Manifestb44d0d119e0cde53530bfcad84d9cbb09a7cd8c091b3072e4ab85dde3a0e11cb

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
Signature9QOTXwzoLM1hmElwKiB19PADe8rSdr2ckV4ht0KZGrOlYnlFqVpF92pCehLGjmvVM+nrQrThUVccc0xhMxmlCA==
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

2026-09-17T09:44:47.331782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090603
observed 06ffaeed3fb7e2c86bf8712cd54371d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:47.314706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090603/manifest.json
observed b44d0d119e0cde53530bfcad84d9cbb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:47.297827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090603/publication.md
observed 36d3f16c6a23431f39bb7cb166145c3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:47.280862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090603/publication.txt
observed cc8de8946aa9fb21a6214016bc64c6e5...
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.