OpenTechnical

OT-2026-000044238

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000044238) never changes.

Identity and time

Publication numberOT-2026-000044238 · never reused
Internal UUID01a0ae7c-39d5-769a-a38d-5bdf4b3f8541 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044238
StatusPUBLIC

Content hashes

Canonical textc9aa383928700acff0bf8f7f5b5763d08dfd4fac39dcd57bcce730f77cc367fd
Markdown7ff5620eb75bfc71e1ca417cd460bc2b0dd42b2e2045f0844735511bf78a0b28
PDF
Publication page8a89a64668baea9840ddcbf62ffd48a376114202fcdfb38efeeb1e4eefe9afef
Manifestf99d1ac98e026dcfec9ebff67a79a0c9f5acd3af72d4991e939baef0e673dbf9

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
SignaturevnQIE7cS3SoR+TC/Gluh45KozpS4hrmJzi1TnglofVnXmKlfuNMJzkJM7IzOOpBTTSUiiHkcJ64QMT2dCIlmCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:30:04.254461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044238
observed 8a89a64668baea9840ddcbf62ffd48a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:04.220802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044238/manifest.json
observed f99d1ac98e026dcfec9ebff67a79a0c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:04.074361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044238/publication.md
observed 7ff5620eb75bfc71e1ca417cd460bc2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:03.819025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044238/publication.txt
observed c9aa383928700acff0bf8f7f5b5763d0...
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.