OpenTechnical

OT-2026-000090904

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000090904) never changes.

Identity and time

Publication numberOT-2026-000090904 · never reused
Internal UUID01a0ae9c-c011-7a3c-be61-39a7d5a9a599 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090904
StatusPUBLIC

Content hashes

Canonical textfb48e47b937bf6f48fa8e2537ee0c3147edf786b1a720d328ca588b1fa63ba36
Markdownd35490ee07c9fc6f5db9e7d9873af9cf7112f062fbab661bfdce7a2ffeccd7bd
PDF
Publication page2ab26d7eb6c619f70fea1babf9a0d974b02e2df18f32a9d5aada71d1cac55ba9
Manifest1beea97c5c322bf0b0acd75fbd4af0b73f6e7bd225d703ce7d6bbdcdeccf1441

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
SignatureXWsvvnpk1Pg6QmpsLO808pxC/2Z8X8yy9w1e2h/x5F2TrMA0OHYCrg6vwpaEO7CdIQpSW/VfZzVmmd55FDohDw==
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

2026-09-17T09:44:06.705289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090904
observed 2ab26d7eb6c619f70fea1babf9a0d974...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:06.688065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090904/manifest.json
observed 1beea97c5c322bf0b0acd75fbd4af0b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:06.671489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090904/publication.md
observed d35490ee07c9fc6f5db9e7d9873af9cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:06.652954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090904/publication.txt
observed fb48e47b937bf6f48fa8e2537ee0c314...
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.