OpenTechnical

OT-2026-000083115

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000083115) never changes.

Identity and time

Publication numberOT-2026-000083115 · never reused
Internal UUID01a0ae97-c962-7042-b342-c7621fcce6a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083115
StatusPUBLIC

Content hashes

Canonical textdc852e6ac1a753022d0a6c5c98ec627ab75c141a814bb51e02a1090efb3105ca
Markdown8422e6241c4490a13842b120e1b8369022469958b32e29e5c0f1e3e0b6c67bc3
PDF
Publication page16d74f3729ca58980bfa45ebefc1e3ed55296ec2d4baa770f841f83b27ea4987
Manifestda2e63cec156b13cf1a88db3c0d7f5a9556a97a23fbee47a599cbfa4f1f43be0

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
SignaturexaTu+Iq0dhXocpRiCZjdfZqeVtjqKRKx5yF7QgdSSybqtyLjd3q0men/6PGTCF6GqVSfoOthA6uAmMep06skDg==
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

2026-09-17T09:00:42.592157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083115
observed 16d74f3729ca58980bfa45ebefc1e3ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:42.571275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083115/manifest.json
observed da2e63cec156b13cf1a88db3c0d7f5a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:42.429928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083115/publication.md
observed 8422e6241c4490a13842b120e1b83690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:42.413621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083115/publication.txt
observed dc852e6ac1a753022d0a6c5c98ec627a...
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.