OpenTechnical

OT-2026-000084143

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, 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-2026-000084143) never changes.

Identity and time

Publication numberOT-2026-000084143 · never reused
Internal UUID01a0ae98-5b5f-7643-a22d-d1383658a6b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084143
StatusPUBLIC

Content hashes

Canonical text713a95cef9e7dc69806a37684befde96b2dd78b8279c6e9a9fc3e163ccec92ac
Markdowndef24cd06e1027d6dae303a54a0529aa616a8ddf17147027354cc42c22c9afdc
PDF
Publication pagefb6952c189cf60cdbfd2a8c4e26204827ffcf7bfdbac125e7d2cd461f0fbbdbd
Manifeste85711ec4ee4c8d9728f9822256dc373d6e1a97605af68e5b28c05f43a24b48b

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
SignaturevqgsxyYeOIAImk3gjZYmqcPW9hH4Wb339ne46Lbsb8lOg/KbRGQ2hTtfVxI8aMEIzFuSt5Coa0QguL5fL9ASCg==
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

2026-09-17T09:55:54.586698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084143
observed fb6952c189cf60cdbfd2a8c4e2620482...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:54.570644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084143/manifest.json
observed e85711ec4ee4c8d9728f9822256dc373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:54.552979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084143/publication.md
observed def24cd06e1027d6dae303a54a0529aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:54.536876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084143/publication.txt
observed 713a95cef9e7dc69806a37684befde96...
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.