OpenTechnical

OT-2026-000088191

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000088191) never changes.

Identity and time

Publication numberOT-2026-000088191 · never reused
Internal UUID01a0ae9b-1aa8-701e-82b0-bed016f4ba07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088191
StatusPUBLIC

Content hashes

Canonical text4e99ee39f2422a826727d6ac9b29733b0ff0781a1ac70d7be8a6cd86e49a7f7b
Markdown049423d00dc51a8704f09dfe2cbca7873421529c75bb661e877d4dfc95e793ec
PDF
Publication page23d74312f2e0b67f2bc9c89a4a81d63b909b400bd9a9b3b624a448b7a421e4a5
Manifestacfe04db3d4f3589e346133573f854e32c1661bd8845370cf0b2b97b64eefe87

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
SignatureE+1o5BHG/nkMQlwUGeRcuLD+3eaf2v3A0XkJmcPBvNMrGSYvOXW9CXl5CYOr513fvJTZK4QWFW1oGPWlvLFzCA==
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

2026-09-17T09:50:15.768989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088191
observed 23d74312f2e0b67f2bc9c89a4a81d63b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.751582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088191/manifest.json
observed acfe04db3d4f3589e346133573f854e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.735810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088191/publication.md
observed 049423d00dc51a8704f09dfe2cbca787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.718976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088191/publication.txt
observed 4e99ee39f2422a826727d6ac9b29733b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.209673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088191
observed 23d74312f2e0b67f2bc9c89a4a81d63b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.191932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088191/manifest.json
observed acfe04db3d4f3589e346133573f854e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.175160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088191/publication.md
observed 049423d00dc51a8704f09dfe2cbca787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.156762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088191/publication.txt
observed 4e99ee39f2422a826727d6ac9b29733b...
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.