OpenTechnical

OT-2026-000084101

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000084101) never changes.

Identity and time

Publication numberOT-2026-000084101 · never reused
Internal UUID01a0ae98-5b5e-705e-8500-ba9c54f291e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084101
StatusPUBLIC

Content hashes

Canonical textdb840164c3d79e25a48e3ca0ad5a0de2f8bdcbe5f69e43065683ba93aeb1252d
Markdown6ee2cf960be4b570ea87c725f728331d45d28c1500d5010d1a921e4e9fd7433a
PDF
Publication pagee5c7c7a133f1ddc074c48af46df7830690996fbe73726c64f9f5c361a66c8a84
Manifest58ce37e3ae30224b3d92c9b515727d8499c9ac7e89ae1d14eab60f0328f40115

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
SignatureZhkn4uAuyLr/+JchTHlRTjcP93pVj+hKEkCm5zZV6shSnWmQo6shNZ7Wyw0lQ3vAf4w2faG2hMcusyrdvcE6DQ==
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

2026-09-17T09:55:51.217105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084101
observed e5c7c7a133f1ddc074c48af46df78306...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:51.200597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084101/manifest.json
observed 58ce37e3ae30224b3d92c9b515727d84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:51.182183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084101/publication.md
observed 6ee2cf960be4b570ea87c725f728331d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:51.165149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084101/publication.txt
observed db840164c3d79e25a48e3ca0ad5a0de2...
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.