OpenTechnical

OT-2026-000088273

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two 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-2026-000088273) never changes.

Identity and time

Publication numberOT-2026-000088273 · never reused
Internal UUID01a0ae9b-5d26-718c-a19c-69c371d40275 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088273
StatusPUBLIC

Content hashes

Canonical textc8e88f2994cd6ec89a34cbb4e3ecc7230f01483c4d17f839fd86d55540b22f71
Markdown9d1f454e8eec52301712f8c0b39b1868e247267d0764917229e9ee14c3041d40
PDF
Publication page4aa91c2b65e542781df732488d9986c8fd282be05760f8448aa567568fd3fa36
Manifest4bc7e71597f69c9f402e3093f2a7da951c7ebadab03bfe99bfce3d392aedb53c

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
SignatureRu4ybPHNrOTLtwD5J3DrAIsdkUe/6oP7foRI0PJXqJdzGGQKWXws+kkwVVcPbwOAzw7sojrOU1eUFRA+YQgYDA==
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

2026-09-17T09:48:34.976926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088273
observed 4aa91c2b65e542781df732488d9986c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:34.958559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088273/manifest.json
observed 4bc7e71597f69c9f402e3093f2a7da95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:34.941379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088273/publication.md
observed 9d1f454e8eec52301712f8c0b39b1868...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:34.924462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088273/publication.txt
observed c8e88f2994cd6ec89a34cbb4e3ecc723...
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.