OpenTechnical

OT-2026-000083545

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, sustained blow-off before set-down

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-2026-000083545) never changes.

Identity and time

Publication numberOT-2026-000083545 · never reused
Internal UUID01a0ae98-0415-7256-b353-93b72537225b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083545
StatusPUBLIC

Content hashes

Canonical text7a239990bffbe4ca4e0d0b54a5199e978ca0e996da65fc82d671d32fb7f1f439
Markdown684e87774bbb6b11a6e9a97d384276feab7fcb5e06ce201f7dbbca9965d4e9f1
PDF
Publication page8ae80b9039806ee769b5a3cf5d0ded9da23701dd9980d1a722cda78ce3eb9613
Manifest551ac8a351a5985a0629122eca4fb2ac6cadcb2daf19c11ba5e4fe85d7dbaca5

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
Signature0U0H8fafSBdnZAFYCzVV12c4IEC9y96R8t/wP82+lHGgPH45N+CU9sNsLTMP1QbsX43WB6qAPdl0vgG5XyoZDA==
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

2026-09-17T09:57:01.645329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083545
observed 8ae80b9039806ee769b5a3cf5d0ded9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:01.628332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083545/manifest.json
observed 551ac8a351a5985a0629122eca4fb2ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:01.609931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083545/publication.md
observed 684e87774bbb6b11a6e9a97d384276fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:01.591509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083545/publication.txt
observed 7a239990bffbe4ca4e0d0b54a5199e97...
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.