OpenTechnical

OT-2026-000005196

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, ejector fed, pressure verified, vented after 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-2026-000005196) never changes.

Identity and time

Publication numberOT-2026-000005196 · never reused
Internal UUID01a0a930-f3a7-7252-8142-10ab36ecfb1e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:49:12.746347Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005196
StatusPUBLIC

Content hashes

Canonical text9d74a4960c904b99f38bbdfb3d19f689d7ab176a3928ff2b29f3660044f59986
Markdowndbe3558b01829f5185fbf2610060c576ae674d683eb30a83729259c2d2cf9de5
PDF
Publication paged57890900091e23986ce96b82149348db5c5c25af4944bf7d402c823bd649684
Manifestbe99ceba93c3d8ac449b8baaf57fc78b69db0b513f81b06fccb493610e0c4fbf

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
SignatureUyg4OZyC4FAv4AAzpwspUXRbzcPTn23GgV/CTUUi10JVrwamamCvq38IAPEh5JaT3VJt42BfVAcA915+APtLDw==
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

2026-09-16T07:50:04.929651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005196
observed d57890900091e23986ce96b82149348d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:04.915546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005196/manifest.json
observed be99ceba93c3d8ac449b8baaf57fc78b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:04.901453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005196/publication.md
observed dbe3558b01829f5185fbf2610060c576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:04.887348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005196/publication.txt
observed 9d74a4960c904b99f38bbdfb3d19f689...
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.