OpenTechnical

OT-2026-000081443

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two stage ejector, sustained blow-off before 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-2026-000081443) never changes.

Identity and time

Publication numberOT-2026-000081443 · never reused
Internal UUID01a0ae96-f375-73cc-9e66-06c1f8bea376 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081443
StatusPUBLIC

Content hashes

Canonical text253fe2ab02d8a99c009de913dcbee5542f0f08ec719e4cc8e775d15c47a177fc
Markdown7faf80f5b4a95d434758ee7a0ed0211062254d1d7d06dca6a48561f5fc329e4d
PDF
Publication page98129d5aca470b69fe9e4d241387fafe2019991948b60f6db06fffc7fbf3be26
Manifest8e5521e64b37332fad701005a8d432a2a40aa4dd1768302b8b83f8fc15ae223a

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
SignatureWAgLwSKR4nlAh1jOPrqHtVDil+9IIysoghQl68V32CZ6pdP++8zNllNs6zHAH7vrbjCqt9g4hyTehjZ5tMfnAQ==
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

2026-09-17T10:01:36.170056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081443
observed 98129d5aca470b69fe9e4d241387fafe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.152581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081443/manifest.json
observed 8e5521e64b37332fad701005a8d432a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.133334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081443/publication.md
observed 7faf80f5b4a95d434758ee7a0ed02110...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.115766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081443/publication.txt
observed 253fe2ab02d8a99c009de913dcbee554...
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.