OpenTechnical

OT-2026-000088933

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000088933) never changes.

Identity and time

Publication numberOT-2026-000088933 · never reused
Internal UUID01a0ae9b-8f11-7233-bc0f-456d2317c635 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088933
StatusPUBLIC

Content hashes

Canonical textb473c49e3947d7544c3987e5c3f5d4d3e62c6be78034f0340838a0c19c56062a
Markdown8c31a83121d8df455fa0dff8e2b9424d0f375edf96a5c34143c46535ebeeb1fd
PDF
Publication page898b36daea31cd93f2badee89cc6500888aee9f1d63c6f7673d470fc76436ce5
Manifestf78fa33ed8b3c75a0e4cf9b198e9c8276d711d02e9ff94fe0fcec6d28df00ac5

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
SignatureE36xK0PF/2h9I7IsjlRyVg+9kyADyG3a7V6FaXAouSjfcH5G020zhO1cd0Itg9t0OszR4e5a1NNS9mbEXjtQCw==
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

2026-09-17T09:48:20.535351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088933
observed 898b36daea31cd93f2badee89cc65008...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:20.515769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088933/manifest.json
observed f78fa33ed8b3c75a0e4cf9b198e9c827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:20.498417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088933/publication.md
observed 8c31a83121d8df455fa0dff8e2b9424d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:20.480423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088933/publication.txt
observed b473c49e3947d7544c3987e5c3f5d4d3...
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.