OpenTechnical

OT-2026-000080781

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000080781) never changes.

Identity and time

Publication numberOT-2026-000080781 · never reused
Internal UUID01a0ae96-b974-7ddd-b3ce-15472b0a9ded · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080781
StatusPUBLIC

Content hashes

Canonical texted311e12de8110e07b0460f0a319fa1244781198878341df32ca670b75e93f94
Markdowndb280a9137d0c637d7c0dbf1f4a521f30928e29231b7973a1a9a00c568fa6cf1
PDF
Publication page1e577518a5f862da03a62132bca1421d992cacbbcd2f0adcf7cd2297ae672bf4
Manifestbde5495a5dac4473c6ced1b06b2f3f20998c9a2c0ed1c46dcf7e6c5a0a0a94ed

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
SignatureEKq2UEz8N3TpewxZhQDRIdBH85fFSUkmbUOTgh2Athng7FJ7wtCTmSRnq9OCFC8ZrW1aM7wZ7q9J6ehlZOApAw==
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

2026-09-17T10:01:57.081847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080781
observed 1e577518a5f862da03a62132bca1421d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:57.063698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080781/manifest.json
observed bde5495a5dac4473c6ced1b06b2f3f20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:57.044222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080781/publication.md
observed db280a9137d0c637d7c0dbf1f4a521f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:57.025105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080781/publication.txt
observed ed311e12de8110e07b0460f0a319fa12...
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.