OpenTechnical

OT-2026-000083913

Publication integrity record

Three cup vacuum gripper, three 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-2026-000083913) never changes.

Identity and time

Publication numberOT-2026-000083913 · never reused
Internal UUID01a0ae98-0418-7cd3-8551-a91b7720b9b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083913
StatusPUBLIC

Content hashes

Canonical text423faaeaf716f06fa15c637c734fca4e0b989325357485991b5da29111946f03
Markdown013c9b5444a5ab8c6d4905ddc1de89e54d56afe41b3281791e666cfb29d039d9
PDF
Publication paged70fbf93d33f32247718330726985798486f29ba72f1bb4bfe636e951529f21e
Manifest97c7c7f5ed072dc325cd162d7911a468a73c077c9c34c9940e2710893cbe1cfc

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
SignatureBR0bcpxMepPNKQDMYZ0BMRWSANxqIsRHMFDh9L2EM5jhOoPEae5ngZsgjDNklZSVsmf996KDgVRxO5ZrLDyuCg==
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

2026-09-17T10:00:24.147692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083913
observed d70fbf93d33f32247718330726985798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:24.125747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083913/manifest.json
observed 97c7c7f5ed072dc325cd162d7911a468...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:24.099310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083913/publication.md
observed 013c9b5444a5ab8c6d4905ddc1de89e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:24.078743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083913/publication.txt
observed 423faaeaf716f06fa15c637c734fca4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:35.089631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083913
observed d70fbf93d33f32247718330726985798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:35.073384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083913/manifest.json
observed 97c7c7f5ed072dc325cd162d7911a468...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:35.055958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083913/publication.md
observed 013c9b5444a5ab8c6d4905ddc1de89e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:35.037758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083913/publication.txt
observed 423faaeaf716f06fa15c637c734fca4e...
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.