OpenTechnical

OT-2026-000067980

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single 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-2026-000067980) never changes.

Identity and time

Publication numberOT-2026-000067980 · never reused
Internal UUID01a0ae8f-c4fd-7f30-ad4c-05fca4898c48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067980
StatusPUBLIC

Content hashes

Canonical text06a8967cd24b8123f52caf4b94d5123045842722c30699b05f6a6068b1debc52
Markdown845bf39c70bdd4c40d6469e5f9d78d9aec04cc72d336cf169fd57a98da7fa2db
PDF
Publication page4039eb7e0f3ff0237353018693951060fa1fe2b9a8a24ad22ffcf1115b2aa8ee
Manifest7406ee85b7331c988f7dda9f09c38acef0751e86b6b9e7f6af36252ceecb9329

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
SignaturedISaYatyaYkkPSOIdLTswsrNDZg38jeCUcusTKEGPfeL0H6gQQwx5hcM08/LVa1Z0t3PEIayVvicgXwc8g51Ag==
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

2026-09-17T10:30:31.655074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067980
observed 4039eb7e0f3ff0237353018693951060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.637930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067980/manifest.json
observed 7406ee85b7331c988f7dda9f09c38ace...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.621036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067980/publication.md
observed 845bf39c70bdd4c40d6469e5f9d78d9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.601420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067980/publication.txt
observed 06a8967cd24b8123f52caf4b94d51230...
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.