OpenTechnical

OT-2026-000088141

Publication integrity record

Three bellows 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-2026-000088141) never changes.

Identity and time

Publication numberOT-2026-000088141 · never reused
Internal UUID01a0ae9b-1aa8-7078-a833-3e51aff2b896 · 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-2026-000088141
StatusPUBLIC

Content hashes

Canonical text63a29c8846441b8323b61d6a4a94b5bb406b7d843a907df57eca114860e8900f
Markdown68811807ff301b68ee523471847db12bb801676958e7c1ca710f4bfc4f45e135
PDF
Publication page9f2dc48eba05f8eb7d9cbf4a3c108ddfbc92e5a98ee3c013428eabb46a63f33e
Manifestdf5fa58c588aee7d1c8716c49684754d02b7a460d04fc6ac89b5a08eca6fffb0

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
SignatureZErlh7IeFcszmGNoBQMLsIKyvGFDp6Gs4vdRKVTDaF3b+knXuIF4RNMl3CJwgjIlgAnKRKYNCex24VTHRetNDg==
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

2026-09-17T09:50:10.585930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088141
observed 9f2dc48eba05f8eb7d9cbf4a3c108ddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.568690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088141/manifest.json
observed df5fa58c588aee7d1c8716c49684754d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.551703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088141/publication.md
observed 68811807ff301b68ee523471847db12b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.532452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088141/publication.txt
observed 63a29c8846441b8323b61d6a4a94b5bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.850804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088141
observed 9f2dc48eba05f8eb7d9cbf4a3c108ddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.829134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088141/manifest.json
observed df5fa58c588aee7d1c8716c49684754d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.807583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088141/publication.md
observed 68811807ff301b68ee523471847db12b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.788866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088141/publication.txt
observed 63a29c8846441b8323b61d6a4a94b5bb...
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.