OpenTechnical

OT-2026-000076105

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, 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-2026-000076105) never changes.

Identity and time

Publication numberOT-2026-000076105 · never reused
Internal UUID01a0ae94-6a6e-7585-90d9-e59059ee29a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076105
StatusPUBLIC

Content hashes

Canonical text37deb69907f4754c2a649af9ae6b7f665d6e3b92ceefa6f5507c749b35a5f441
Markdowne373ad719e113250187ba876108d4f0d18a437c75f532b4cf22e4ec69d1d0f42
PDF
Publication page8387e6108b5f59b357983520c038f7c4111e24f922f68eb387df772b5afb6266
Manifestc382d75767bfa6e7e0d8b6147cbc205f300f953b50e19fc65a17fbba646882b2

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
SignatureqwdDv9PNGzGP5Df9lsITZRmQTU0jNEZDb182cs2gxTM57vy6YNY2iDvDzzaZt5H2rGUe3rGaZtF4+NKC9wlnAw==
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

2026-09-17T10:11:00.693868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076105
observed 8387e6108b5f59b357983520c038f7c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:00.551455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076105/manifest.json
observed c382d75767bfa6e7e0d8b6147cbc205f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:00.534382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076105/publication.md
observed e373ad719e113250187ba876108d4f0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:00.516898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076105/publication.txt
observed 37deb69907f4754c2a649af9ae6b7f66...
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.