OpenTechnical

OT-2026-000082918

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented after 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-2026-000082918) never changes.

Identity and time

Publication numberOT-2026-000082918 · never reused
Internal UUID01a0ae97-8cca-7eba-9965-8656f73fb097 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082918
StatusPUBLIC

Content hashes

Canonical text2ff8ed0cd3c357e785cd993f6e63413c758f51220170e0801fb8d7e284ed7424
Markdown7ad90048ae5234a9403b8019a9fb0f86416ac73906781fd5073748bae04a60df
PDF
Publication pagea44e963c2049efd0232131935d3bd4e3297a93c6111f4b9fd6724f4b346b3b4c
Manifest8775e9c7471e799399ac1c149f3f5e027095cc0c592b160be6c8c9618646a17d

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
SignatureRKNzza3JzmAtMNQbRYtRy6nA4Ge3mXOlmnlFRVp8nV2mzDGzHO5823U+1lL3fqD8Z1855ZSbSWV4fVm7dTkoDA==
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

2026-09-17T09:58:36.546303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082918
observed a44e963c2049efd0232131935d3bd4e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:36.530886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082918/manifest.json
observed 8775e9c7471e799399ac1c149f3f5e02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:36.513791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082918/publication.md
observed 7ad90048ae5234a9403b8019a9fb0f86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:36.497130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082918/publication.txt
observed 2ff8ed0cd3c357e785cd993f6e63413c...
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.