OpenTechnical

OT-2026-000069082

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000069082) never changes.

Identity and time

Publication numberOT-2026-000069082 · never reused
Internal UUID01a0ae90-6dce-7f6b-bedc-11a809d092a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069082
StatusPUBLIC

Content hashes

Canonical text0de2932f1a8463458b45d22270f856f21c4fac9f123a06b5cc45e080673ab3ed
Markdown68685b11d01e3c9538ac4a13559669a6dbc2e8a4f4072ec2234462b448c606c1
PDF
Publication page615b033ebf2d28d00004c20fb09b1ee6034f9f0b20a6d6600dbee61a0e554c7e
Manifest5821574f5ec1f159648bc03788ba5ce18f72f6f9b93e7341045f977ef6448279

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
Signatures+4Gcb6MZNp3ngZ9CkCQD1FrflVm7Zx3SvWrdphhQL3wrMbbVf9A264iPkChCMZWCl14TV1NEI/KwZxb+FGSAQ==
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

2026-09-17T10:28:57.009835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069082
observed 615b033ebf2d28d00004c20fb09b1ee6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.990547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069082/manifest.json
observed 5821574f5ec1f159648bc03788ba5ce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.971173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069082/publication.md
observed 68685b11d01e3c9538ac4a13559669a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.953007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069082/publication.txt
observed 0de2932f1a8463458b45d22270f856f2...
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.