OpenTechnical

OT-2026-000048162

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000048162) never changes.

Identity and time

Publication numberOT-2026-000048162 · never reused
Internal UUID01a0ae80-4de2-7b19-b787-ee998e7ad5be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048162
StatusPUBLIC

Content hashes

Canonical text533c4f06711e6296608c8a9cd868ab1dd8c97aeac29a03ffff496f79153fbbe4
Markdown7e60e482b2a5d4682c6bc61467d942218f38e9553618104cfbe2fd1d4980ebe4
PDF
Publication pagef5fdf6e369bbf3b921edd9b62dfece38ca95eb687a7e2e763fc099974c13f1a3
Manifesta5478446b4ef39f0968e781f118bb62c057d410a4e2bc1e1e7cf57de90ef3117

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
SignatureDEHlOmrFrcZF6KhTgfzRrWj2TrHRMiTrtz/ZKa5okKVM1OWDYt+VCzvCZ1WEh1vl9NNnXjT/AVzC3aaJENPuBw==
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

2026-09-17T11:04:41.496966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048162
observed f5fdf6e369bbf3b921edd9b62dfece38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:41.475314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048162/manifest.json
observed a5478446b4ef39f0968e781f118bb62c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:41.456196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048162/publication.md
observed 7e60e482b2a5d4682c6bc61467d94221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:41.438013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048162/publication.txt
observed 533c4f06711e6296608c8a9cd868ab1d...
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.