OpenTechnical

OT-2026-000088013

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000088013) never changes.

Identity and time

Publication numberOT-2026-000088013 · never reused
Internal UUID01a0ae9b-1aa6-7b52-adaa-592c024d6e92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088013
StatusPUBLIC

Content hashes

Canonical text7093b8d011919d4c629b671944e70fa3c77095def84244162178e7e6c695d952
Markdown5c3d1ffa1e7b3e9664fc122e86e7946a94df43ee9a15e0b6141a5b885852366c
PDF
Publication page6bd4cc98f59da52ab108d427e441108ad1dac7128ceb93cb945ebbd15ecf374b
Manifest2f3d00d4d4a19bb46ca647eb07466b90b1cef5d84e4cc9e918136b62b6c5b0e2

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
SignatureH8gbmj39Gjw7l3F6+psI7SpWo81GrTK1jQ5m5Fxg/jUftbauCS14G4P0xjtretyWnmkvNE61TwQlOpatdxfyCg==
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

2026-09-17T09:49:23.624463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088013
observed 6bd4cc98f59da52ab108d427e441108a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:23.603166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088013/manifest.json
observed 2f3d00d4d4a19bb46ca647eb07466b90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:23.584434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088013/publication.md
observed 5c3d1ffa1e7b3e9664fc122e86e7946a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:23.562933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088013/publication.txt
observed 7093b8d011919d4c629b671944e70fa3...
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.