OpenTechnical

OT-2026-000006673

Publication integrity record

Porous face vacuum gripper, three stage ejector, pressure verified, sustained blow off before set down

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-2026-000006673) never changes.

Identity and time

Publication numberOT-2026-000006673 · never reused
Internal UUID01a0a963-7846-73f1-a853-272d1862ea63 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:44:23.497610Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006673
StatusPUBLIC

Content hashes

Canonical text489634ef8b13d6809faf67a0d4e50d1f60e882f57e15d340f35446a495929663
Markdown3d4ffc46b5eb53109c83f80b946c387a2096da97391712220be1eb72312e0f88
PDF
Publication page855d1d91ce43cb3e66a3c5dbc54d24f89cd12be4241f538db6bc10b09a458e46
Manifest7ef8a56b34f50f1274183afbca4a4424a9f0433ad0589cdd7a1c55b080dde655

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
Signaturer7S5kNV8Jla8xLmJKT4r3B67ZuEV3zMVN1ArwE64ixfJEyhiJ3bEt3Dae4rmRChRtIfqwi2rZm03F6pUIxVKAw==
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

2026-09-16T08:50:18.877894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006673
observed 855d1d91ce43cb3e66a3c5dbc54d24f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:18.741721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006673/manifest.json
observed 7ef8a56b34f50f1274183afbca4a4424...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:18.728465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006673/publication.md
observed 3d4ffc46b5eb53109c83f80b946c387a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:18.715408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006673/publication.txt
observed 489634ef8b13d6809faf67a0d4e50d1f...
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.