OpenTechnical

OT-2026-000091038

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000091038) never changes.

Identity and time

Publication numberOT-2026-000091038 · never reused
Internal UUID01a0ae9c-c012-7266-846b-6eb562abadee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091038
StatusPUBLIC

Content hashes

Canonical textb39a3d353949537f97b676f00aac2b81f30331640d4f7ca5b8283c74071f8a7d
Markdown748cda54e0bbbe4225e9a374c0f7aa6139ad4ecd2bd61c5dc17566918b7e639a
PDF
Publication page09cef2e04f51acb6434faa553cbbfa319a081fd62808c6eb18f27f4ca8d3ab72
Manifest865d17d5bb7f12e30577c2c3c5a34f670c8fb183164ba03f4b93a40179cef166

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
Signatures5SgaMSc4AL+z+kUJr1pZDkMwGPYyOdSnVCbSxtRT7IvnHvimOU8GktUlZC/5UoYViBOJxDJrqCtKdg+66YBDQ==
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

2026-09-17T09:44:16.952163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091038
observed 09cef2e04f51acb6434faa553cbbfa31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:16.934504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091038/manifest.json
observed 865d17d5bb7f12e30577c2c3c5a34f67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:16.916610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091038/publication.md
observed 748cda54e0bbbe4225e9a374c0f7aa61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:16.898200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091038/publication.txt
observed b39a3d353949537f97b676f00aac2b81...
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.