OpenTechnical

OT-2026-000063455

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000063455) never changes.

Identity and time

Publication numberOT-2026-000063455 · never reused
Internal UUID01a0ae8c-f944-7765-a749-75df14525e4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063455
StatusPUBLIC

Content hashes

Canonical text858963414db353288c27195122ae405ec5227ef25dbbd6dc915c57e98a00c413
Markdown280ad148670537a04796d9909c3780042b69c82e271bf1eb8873a28b835b20a0
PDF
Publication page7dde43aaadf76d33b7d05c10e3a241ca3a3934c112c33ff4c39863beb173d3b2
Manifest0b052714fc683de53341d159cef731717943a7ba4fcb3bd5f2f34ce7fb9500b0

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
Signaturep4k64PCg+xdb+wMY6VmiBAaSb4h1p12f61MKsW04jUjz6wmdmUK6bOIouzNgJIIWJOF51X6GL0VnOastEN/EDg==
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

2026-09-17T10:37:25.115319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063455
observed 7dde43aaadf76d33b7d05c10e3a241ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:25.094594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063455/manifest.json
observed 0b052714fc683de53341d159cef73171...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:25.077709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063455/publication.md
observed 280ad148670537a04796d9909c378004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:25.061390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063455/publication.txt
observed 858963414db353288c27195122ae405e...
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.