OpenTechnical

OT-2026-000091203

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000091203) never changes.

Identity and time

Publication numberOT-2026-000091203 · never reused
Internal UUID01a0ae9c-f16b-7bc0-8f42-02084ff5c666 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091203
StatusPUBLIC

Content hashes

Canonical texte9216a1cb2ed56f908eac6c64d5f109e06de8a917778f156e7803618e1915271
Markdown8cb318478e50f684214675edd1045026874f6fa2eb17952ed49a8bbda17cafe6
PDF
Publication pagef2cc7ada60c83288e8dbb8f8c4f282808d6fce1bd278bae045a96a61b7b5af37
Manifest47f3adbf8776a072d4f9290554af62b572f1339af808e442830b35b80f33ef94

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
Signature9Yuayn9mQA2LXg2+NgcKLpETdCGGGkPcUim0zHKp0fNAkb55WEuhULftEw1eK8HaWuIMZuzKhLFTZBe8FchxDQ==
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

2026-09-17T09:43:22.190653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091203
observed f2cc7ada60c83288e8dbb8f8c4f28280...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:22.173147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091203/manifest.json
observed 47f3adbf8776a072d4f9290554af62b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:22.155169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091203/publication.md
observed 8cb318478e50f684214675edd1045026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:22.137820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091203/publication.txt
observed e9216a1cb2ed56f908eac6c64d5f109e...
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.