OpenTechnical

OT-2026-000087627

Publication integrity record

Foam pad vacuum gripper, four zone face, 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-2026-000087627) never changes.

Identity and time

Publication numberOT-2026-000087627 · never reused
Internal UUID01a0ae9a-cd53-7842-9f3c-ce01a4c905da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087627
StatusPUBLIC

Content hashes

Canonical textfb3ec098579376b88933e6e095499ffa0dcf6b425bf6d761ba0f1f0292ccfef6
Markdownaae4ee5ba3b9a9030124eeebbdf5644863d3c89e0ea099b341f5e4579b5fa5f1
PDF
Publication pagee8a6382981c4ae50712d0a68dfe5a11b18de10e2d5704c1a093430fe7917520b
Manifesta3c6767715d62513ed6b7e53f9bc89ea5f3aaef353910c99a077aff06a3beb9e

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
Signatureoe2J2LNKWj48VrQ6b5yK7BTF7BqkCNs2nY1yKoBUsV6G9JHabtU7/iknIbJ46QjpzQKTJeItv64WYPVatubBDQ==
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

2026-09-17T09:51:04.354470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087627
observed e8a6382981c4ae50712d0a68dfe5a11b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:04.337641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087627/manifest.json
observed a3c6767715d62513ed6b7e53f9bc89ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:04.321843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087627/publication.md
observed aae4ee5ba3b9a9030124eeebbdf56448...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:04.305265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087627/publication.txt
observed fb3ec098579376b88933e6e095499ffa...
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.