OpenTechnical

OT-2026-000006284

Publication integrity record

Porous face vacuum gripper, four outlet manifold, three stage ejector, pressure verified, closed 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-2026-000006284) never changes.

Identity and time

Publication numberOT-2026-000006284 · never reused
Internal UUID01a0a955-85a7-784a-8135-380f9cd22dc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:29:09.418681Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006284
StatusPUBLIC

Content hashes

Canonical text5631f8e062fad035b8a50db5c813d5aafc66a4d7299030b4125e3abde65210ca
Markdown1b56ede0f33c18926e69bcc9a8b39bea92b0bdeb669aafc0b149f782f1b6880c
PDF
Publication page65bb2a58c17f9fd45bb53b83b65ef9f39d420c2576111d28247342f2a6a363e3
Manifest04e67a7319d19989cbb120b7b6a679557332f5c643dbac206abf8672fa7bee0a

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
SignatureYtrCnCTggc3Mfd2ylSEGuoWa8EBYxXpb7SmFGGzG2ronFTlVN2pMvNj7yZd4kFxl5Y4rRg4LjIFKvJe3ZHkEAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:30:05.873309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006284
observed 65bb2a58c17f9fd45bb53b83b65ef9f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:05.736291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006284/manifest.json
observed 04e67a7319d19989cbb120b7b6a67955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:05.722426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006284/publication.md
observed 1b56ede0f33c18926e69bcc9a8b39bea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:05.708733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006284/publication.txt
observed 5631f8e062fad035b8a50db5c813d5aa...
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.