OpenTechnical

OT-2026-000026858

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained 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-2026-000026858) never changes.

Identity and time

Publication numberOT-2026-000026858 · never reused
Internal UUID01a0ae72-3452-7fef-9f50-4da92d017d95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026858
StatusPUBLIC

Content hashes

Canonical textd2621ccd7a43bde34ff5e5c5cce730165a71dcc1d3da5d3c2be7cf71c956377b
Markdown9bab9f60a17ef3d6f9bbb71d84ac9f279790262770fb2e3bf0ee18e61ab5120a
PDF
Publication page0a741d4eabfac2147baced0a3d1d3442cd80ec4f41e037e136eb0b2c31818cc4
Manifestadb13c4dc9f0d1f70d55637e9061336decf4c8be3607bd6e8e03144249990763

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
Signature+BYax4apNMOat5bcfvj6DfZhwiECBYZWG7HIEAkVMwF8pxNSVpuSVf6jillZ/VcjK0upnCqenUNvWHPK2UTvDw==
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

2026-09-17T11:43:27.492102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026858
observed 0a741d4eabfac2147baced0a3d1d3442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:27.372750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026858/manifest.json
observed adb13c4dc9f0d1f70d55637e9061336d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:27.355390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026858/publication.md
observed 9bab9f60a17ef3d6f9bbb71d84ac9f27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:27.338671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026858/publication.txt
observed d2621ccd7a43bde34ff5e5c5cce73016...
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.