OpenTechnical

OT-2026-000008160

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000008160) never changes.

Identity and time

Publication numberOT-2026-000008160 · never reused
Internal UUID01a0ae6a-908c-768f-815f-48a089a27d67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008160
StatusPUBLIC

Content hashes

Canonical text42a49a354edd65f856a7867a9174ef08fa98cb6f5a02db93d9632d4f2afaeeac
Markdown8e2e7db5570b3c0877a27a77aaf88be481fd3955d137a05a273cd7e63fac7fc5
PDF
Publication page0511241462f7526044ea26dfe2e97b24967e04b46c98b6c2841b153180bee071
Manifested96e533877d0fb0a0639d330554ec90ef2db658e9d693043212bc98265295e9

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
SignaturePaCPKNSBH80jhfsZULahAi0i6QcN7D0gxwFpcFp8ecrOIPFnUTgzJTNPClQFOIA5AaoR59PaQ6CeXPBi5M+FAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:31.252511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008160
observed 0511241462f7526044ea26dfe2e97b24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.232061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008160/manifest.json
observed ed96e533877d0fb0a0639d330554ec90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.209595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008160/publication.md
observed 8e2e7db5570b3c0877a27a77aaf88be4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.189376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008160/publication.txt
observed 42a49a354edd65f856a7867a9174ef08...
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.