OpenTechnical

OT-2026-000007146

Publication integrity record

Porous face vacuum gripper, three outlet manifold, ejector fed, 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-2026-000007146) never changes.

Identity and time

Publication numberOT-2026-000007146 · never reused
Internal UUID01a0a974-4f70-7ffc-8bec-aa94aad5cf5b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:02:47.155464Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007146
StatusPUBLIC

Content hashes

Canonical text6701a3f4ae2d423504acf8b6a26be4912307dab14cf85ceb49f0df85888dec5c
Markdownce06533f353699e4d8f82d104dfa4f6f93b7ff4807ce629b8ef1c0fd30bffd2e
PDF
Publication page4529af44089754965ed2963fd01bece8d153ee5a414f7ecb7f87b0c99199011c
Manifest722fd1d9c0b8c680fd27b8625d31e604874c66707109059f124cc6f0706492b3

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
Signature/OjRhqUObt2QIOWM44llvBv/6eWZOeK3uPnS+hfBezDcu5/nuAN84JgYqg+gJfBQOWSlm46q/2B72zfyFgs+Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:22.145097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007146
observed 4529af44089754965ed2963fd01bece8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:22.130902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007146/manifest.json
observed 722fd1d9c0b8c680fd27b8625d31e604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:21.993379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007146/publication.md
observed ce06533f353699e4d8f82d104dfa4f6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:21.980457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007146/publication.txt
observed 6701a3f4ae2d423504acf8b6a26be491...
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.