OpenTechnical

OT-2026-000005244

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, three stage ejector, contact triggered on the face

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-2026-000005244) never changes.

Identity and time

Publication numberOT-2026-000005244 · never reused
Internal UUID01a0a932-9b42-738b-9fb2-cd4ec4340d16 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:51:01.189814Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005244
StatusPUBLIC

Content hashes

Canonical text7087f8e6cf07b0f56d5d8e5ebd6f66ce551650a0ee541af2abd4c35509a8d933
Markdown454886f82c39d2b105b73ec5ea4b2c4b63b761150d794d6c39ede39a884c92d4
PDF
Publication page48ec570f68b2e18cd5b5ef946a7f46b22bae72d37cd123679f232c1926170f6a
Manifestdd0180af8820c5b4c2d7f539d1b31160b00fc50a565af551254caa9ac54a4e9c

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
SignatureO/jGLf4eeKHloVmCVS1tR6eIznFEbdEEJLNdHOuoqiUPeuHdhs9eInUzs062p3y/Uu0nfj/Aj8XBI91WYOALCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:31.447221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005244
observed 48ec570f68b2e18cd5b5ef946a7f46b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:31.434727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005244/manifest.json
observed dd0180af8820c5b4c2d7f539d1b31160...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:31.421809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005244/publication.md
observed 454886f82c39d2b105b73ec5ea4b2c4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:31.407539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005244/publication.txt
observed 7087f8e6cf07b0f56d5d8e5ebd6f66ce...
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.