OpenTechnical

OT-2026-000088525

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000088525) never changes.

Identity and time

Publication numberOT-2026-000088525 · never reused
Internal UUID01a0ae9b-5d28-74b1-9918-29b1d63e92cd · 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-2026-000088525
StatusPUBLIC

Content hashes

Canonical text9d32c41f4871ca512673b1887af34ecbe3c98f059f858f9a230e8643f9d7e996
Markdowna248341defb937785c835d007a612596c1a794c7a41b1e49b3a32bbb22d732b7
PDF
Publication pageaee245e4903e16301b34afbc8b04f289b1a54122cfff993de2bb6131d0b611b4
Manifestb02b187e6012191268a42e7442170d439480ad2dd308b842fe7bcb93d7a512fa

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
SignatureutzQWSOaiU0iavhfJZMKdz0OLwX3/nA0auy94lKJRDTsZv1I7QFwAEPTPCSaAaoWIn5LBA4vomM/A4G0W2YxCQ==
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

2026-09-17T09:48:55.378837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088525
observed aee245e4903e16301b34afbc8b04f289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:55.362076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088525/manifest.json
observed b02b187e6012191268a42e7442170d43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:55.343413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088525/publication.md
observed a248341defb937785c835d007a612596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:55.324863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088525/publication.txt
observed 9d32c41f4871ca512673b1887af34ecb...
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.