OpenTechnical

OT-2026-000016830

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000016830) never changes.

Identity and time

Publication numberOT-2026-000016830 · never reused
Internal UUID01a0ae6e-5919-7ad0-90ca-43ce56928355 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016830
StatusPUBLIC

Content hashes

Canonical text90cee7d78f1c3468820dff8fd89bcb70f28b4416e1dc199b9a3275eea899a8da
Markdown769259592a2c138af16b300e1183a662e4300fc567bc8df35bc060d5aa2719d7
PDF
Publication pageccc7ccdbcb23891704384d67f3d5ec1a1433250620d161047f40be13e939bf77
Manifestf34ad4b93fc6c99959e30a0da82cc1bb482ac67234f087a13dd77754c1f9721b

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
SignatureJQrhtZ7v97vXZ5VnEBradZZNlF1+aLD2kN1rUQLmZ4rcKhuhnts5HMAvB7pgjMDjf2LiBqSjWXN1mPlhadElCA==
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

2026-09-17T12:03:05.321913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016830
observed ccc7ccdbcb23891704384d67f3d5ec1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:05.303858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016830/manifest.json
observed f34ad4b93fc6c99959e30a0da82cc1bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:05.287450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016830/publication.md
observed 769259592a2c138af16b300e1183a662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:05.272094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016830/publication.txt
observed 90cee7d78f1c3468820dff8fd89bcb70...
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.