OpenTechnical

OT-2026-000088156

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

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-2026-000088156) never changes.

Identity and time

Publication numberOT-2026-000088156 · never reused
Internal UUID01a0ae9b-1aa8-78fd-b2ab-2a3abdd661de · 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-2026-000088156
StatusPUBLIC

Content hashes

Canonical text3e359105f4824ef501f7c460e7e637fefefcbc4c469dbf2781c7ab3b1b979077
Markdown83bc8dde1a876623191d625a757dc10f73c647de6bd6e6180a86a6ef0fcaf0fc
PDF
Publication pagec352b41abeb6be80f380a28bb2dfd8f4d182172c179bc65458c622a4a92752d0
Manifest7be3c8e985ec59b3b2b623ed8bced44231907422bf0261d55c32e8fc064cbc35

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
SignatureF/0BbgoRp0g0xyMBMaD0VRgntTz3luLNURBYsLogGx5TNvHAZhHpdpuMCAh1+tAKSwyXlN7hcJ18nwrZkJQUCQ==
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

2026-09-17T09:50:11.762620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088156
observed c352b41abeb6be80f380a28bb2dfd8f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.741001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088156/manifest.json
observed 7be3c8e985ec59b3b2b623ed8bced442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.722103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088156/publication.md
observed 83bc8dde1a876623191d625a757dc10f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.702457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088156/publication.txt
observed 3e359105f4824ef501f7c460e7e637fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.104691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088156
observed c352b41abeb6be80f380a28bb2dfd8f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.086995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088156/manifest.json
observed 7be3c8e985ec59b3b2b623ed8bced442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.070430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088156/publication.md
observed 83bc8dde1a876623191d625a757dc10f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.053293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088156/publication.txt
observed 3e359105f4824ef501f7c460e7e637fe...
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.