OpenTechnical

OT-2026-000006086

Publication integrity record

Porous face vacuum gripper, two stage ejector, vented after set down, open cell

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-2026-000006086) never changes.

Identity and time

Publication numberOT-2026-000006086 · never reused
Internal UUID01a0a94e-de7d-7ffa-98e7-0d8b02e78ffb · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:21:53.408028Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006086
StatusPUBLIC

Content hashes

Canonical textea3c6cfe2083f2ffcf9dbf9409532e24e72167b4895cbc60806d6098546b6943
Markdowne6b60980235db0f10aa48e9008474d3e0b1dd217bd5416e496ae260839c59f14
PDF
Publication page4000b11173ec8a1c9044d8c5eec1517803461e51cf7d41043a23719c33584a21
Manifestbb55ea1b9af0f13ce872842e9c7279730a2ae96f65b9a444332ed9a539a1dfd9

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
SignatureApzjb3Qs6qo47xYQJVxe6ND/eE57wceOCWso/2FbUxkrW2cS0d7OJt1ZG2u0SeApBU21kxbOng7a6mKRNPcQBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:29.123775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006086
observed 4000b11173ec8a1c9044d8c5eec15178...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:28.987634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006086/manifest.json
observed bb55ea1b9af0f13ce872842e9c727973...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:28.972491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006086/publication.md
observed e6b60980235db0f10aa48e9008474d3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:28.957037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006086/publication.txt
observed ea3c6cfe2083f2ffcf9dbf9409532e24...
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.