OpenTechnical

OT-2026-000067703

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000067703) never changes.

Identity and time

Publication numberOT-2026-000067703 · never reused
Internal UUID01a0ae8f-6bdb-77af-b51d-27369e85c92a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067703
StatusPUBLIC

Content hashes

Canonical text6f43709485e98c63db699b598947b9bcb48346a0460fa55f2df21e26a7ac35da
Markdown6d8497f098dd2865b75351a3db56f9d8bd8ea06c4fefdcfa3497ba5eba5694f8
PDF
Publication pagefc4934fbda3a747b0153f7d72660dd5e20c8be7588771e618e60222ffd7d397e
Manifestc4d3776c603f297334507b079c01c642347070673173516cfed9642ff32b18d0

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
Signaturep/7gJQlUHM8gLqgYZF6BHzYS5prdLAXYbbVovFy0h8uMVDeO9q10/i6q+YX8+8xu5Xd85C7lbWpOKiWcSpnoCw==
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

2026-09-17T10:32:02.875002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067703
observed fc4934fbda3a747b0153f7d72660dd5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:02.857634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067703/manifest.json
observed c4d3776c603f297334507b079c01c642...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:02.835639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067703/publication.md
observed 6d8497f098dd2865b75351a3db56f9d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:02.810066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067703/publication.txt
observed 6f43709485e98c63db699b598947b9bc...
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.