OpenTechnical

OT-2026-000003627

Publication integrity record

Porous face vacuum gripper, two zone face, six outlet manifold, two stage ejector, contact triggered

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-2026-000003627) never changes.

Identity and time

Publication numberOT-2026-000003627 · never reused
Internal UUID01a0a90a-935d-71a6-835d-c7d902a24fb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:17.727678Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003627
StatusPUBLIC

Content hashes

Canonical text67322a84ee234c2a90f1ef0d2bfd9e6a461c897eee792f4f6dcae460d431e42d
Markdownf177ae9034bbbe5a009bca35d6af711a4741edd594db96355f87976da65fb176
PDF
Publication page5438cb172bbbecc5909b0c50a7a628a76964f7341b603198c56830a3413ac182
Manifest2f5e77ee5dbe8290ef0bf798428bcf21b21be5f5ccef06a158b3efafe5288ac9

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
SignatureakjRzXSDMSkpMYE66H7Q6jo3b37HmhAvmqTI0UqMw//IYBMGHn/4ErE9oqC7lLC2JsuyQZO60vl4PgLXRRySDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:30:36.168949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003627
observed 5438cb172bbbecc5909b0c50a7a628a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:36.153784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003627/manifest.json
observed 2f5e77ee5dbe8290ef0bf798428bcf21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:36.138780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003627/publication.md
observed f177ae9034bbbe5a009bca35d6af711a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:36.122546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003627/publication.txt
observed 67322a84ee234c2a90f1ef0d2bfd9e6a...
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.