OpenTechnical

OT-2026-000071123

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line pressure sensor, pulsed 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-2026-000071123) never changes.

Identity and time

Publication numberOT-2026-000071123 · never reused
Internal UUID01a0ae91-e0eb-7a5e-8ac2-fca908450af5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071123
StatusPUBLIC

Content hashes

Canonical text9cee9f93e9e2d5ecb459d4bfe256fa477f6a7891d9b5f78c262b3e54839339ec
Markdowna67a4c9f30678622725ca05aad0533014f3bb36f8b5cde976dda02d92f1a6b4d
PDF
Publication page47371d0a83ff6f1963a6326c1263337e71793df36e4f1f4c292905c22400c593
Manifest8b9fd5e7059a2733cc8f9236e764a686e4d0130ec6e86625daec4bdc27fe7db5

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
SignatureymFExxqXvd1lmvPeKFiIuk8ZiPKulVZi0hHL0vd5XV5O+ug9MnCga1xsaxsAdQIobg881zuiyv0xSv8B9vfxDg==
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

2026-09-17T10:24:37.105350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071123
observed 47371d0a83ff6f1963a6326c1263337e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:37.086614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071123/manifest.json
observed 8b9fd5e7059a2733cc8f9236e764a686...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:37.068736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071123/publication.md
observed a67a4c9f30678622725ca05aad053301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:37.050289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071123/publication.txt
observed 9cee9f93e9e2d5ecb459d4bfe256fa47...
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.