OpenTechnical

OT-2026-000076935

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed 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-2026-000076935) never changes.

Identity and time

Publication numberOT-2026-000076935 · never reused
Internal UUID01a0ae94-b071-70f6-a3ca-e87fe6c614ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076935
StatusPUBLIC

Content hashes

Canonical text9e775adbd77c660e9367b99e3e65ae5b35b56c39d12f7eb39485f7840440f50e
Markdown866fb9d0ff1a9d71b0ae2e6c67431188a0b08755f9dfd3091350344094ac17d2
PDF
Publication pagec5762189e46d32c7f68315265516312ad2559b77b33dd06de5eb8db17be5a9e9
Manifest0b76efa08ca4ea656d4d2924b613e50006c62a4f85ca77c159804809baaa2104

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
SignatureRVOA9LpLiCvJeyBGs9/gdrPS4Ik8wNjedi1maDaQmexYB1YdBoCJwR4GM0TT5ccVgaRIAIHfoLVcbBaQ4L+QAw==
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

2026-09-17T10:09:54.971321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076935
observed c5762189e46d32c7f68315265516312a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:54.952655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076935/manifest.json
observed 0b76efa08ca4ea656d4d2924b613e500...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:54.810665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076935/publication.md
observed 866fb9d0ff1a9d71b0ae2e6c67431188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:54.547546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076935/publication.txt
observed 9e775adbd77c660e9367b99e3e65ae5b...
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.