OpenTechnical

OT-2026-000088157

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000088157) never changes.

Identity and time

Publication numberOT-2026-000088157 · never reused
Internal UUID01a0ae9b-1aa8-78bf-a11d-4133e1949bd4 · 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-2026-000088157
StatusPUBLIC

Content hashes

Canonical textfe863c087bd42a11b0477816d83ce3f32d5f105fa8677373496cfd2921c8d866
Markdowne32e65fc4554c71131d2bcf00a73473859c442b9c1043a09e4e3fda1524a87f4
PDF
Publication page9b2908b72764ea8f86aafac8458fc5af2f3b9ce98defeef8ffcbe889d9b971c5
Manifest594c73933b543d866473e698d836f83580d72495c7e84c03ee8c8efc33fd066a

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
SignaturexEIHL4rv4raUuA7ff3qN1dqXAqs4zAIV2bbSm4B9cgSoIqP+gVk8UCgmpfLDf09njLH6oafSkWaKRmS5N/rdAw==
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

2026-09-17T09:50:11.842696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088157
observed 9b2908b72764ea8f86aafac8458fc5af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.824330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088157/manifest.json
observed 594c73933b543d866473e698d836f835...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.803731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088157/publication.md
observed e32e65fc4554c71131d2bcf00a734738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.784274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088157/publication.txt
observed fe863c087bd42a11b0477816d83ce3f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.190012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088157
observed 9b2908b72764ea8f86aafac8458fc5af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.174086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088157/manifest.json
observed 594c73933b543d866473e698d836f835...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.157941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088157/publication.md
observed e32e65fc4554c71131d2bcf00a734738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.139832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088157/publication.txt
observed fe863c087bd42a11b0477816d83ce3f3...
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.