OpenTechnical

OT-2026-000088298

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000088298) never changes.

Identity and time

Publication numberOT-2026-000088298 · never reused
Internal UUID01a0ae9b-5d26-7537-8c3a-c1e050c3652d · 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-2026-000088298
StatusPUBLIC

Content hashes

Canonical textc3f657c8af9cb4b89487cc66b291c77732b286e3d1cd0c12f0e775370e9bcace
Markdown421f0deeead5716630568ec6bedc3fcb7a944b688d08f661ee4ebb29ff564b94
PDF
Publication page602338bf13690464f59fa32ef6195909ccc61ba26d59d0ae4113c5d47ebce50f
Manifest4bf6612155dbd2e4b7a2b78802bf07159930c02c69fcabfd8e1c512ee27cb406

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
SignatureRmE1uFYESCT0xb0DeJ63q/SZqR8aOUEPSFk/XO8oXhcWd/KE6H1fbc5cgzKhaDokwbGBeMO4aMkGgS966RcKDg==
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

2026-09-17T09:48:37.802440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088298
observed 602338bf13690464f59fa32ef6195909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:37.784449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088298/manifest.json
observed 4bf6612155dbd2e4b7a2b78802bf0715...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:37.766451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088298/publication.md
observed 421f0deeead5716630568ec6bedc3fcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:37.749046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088298/publication.txt
observed c3f657c8af9cb4b89487cc66b291c777...
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.