OpenTechnical

OT-2026-000006688

Publication integrity record

Vacuum cup gripper, three outlet manifold, three stage ejector, pressure verified, contact triggered, rubber cups

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-2026-000006688) never changes.

Identity and time

Publication numberOT-2026-000006688 · never reused
Internal UUID01a0a963-fad9-72cc-bc49-e3c0e4b92a56 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:44:56.923930Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006688
StatusPUBLIC

Content hashes

Canonical textc697ed6e3588e4bad968fe7722a1770ca8cb8c5d0d60f4b473806694d89a9653
Markdowncac33ab1c19e2dfaaf9a5cd20e8c547d8e0b8652b375646f5eac0eab314d64aa
PDF
Publication page5542cdca6ff7b329063b59a1b850ddf5fac87341215e3e438377385f020cdd4d
Manifestd6cc272ed88f03eede2a8d3154975e9fc401d2162b1ee3e8aa75d9780aef33e1

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
SignatureGb/u2d7yzmd9LrdRgkcrWKFl3WadblfbLCIX2EArJ8uiZRHUZ02IbkQt2s9Jozqa2j+/5Q9paXDnyLP3VlKRAA==
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

2026-09-16T08:50:17.170308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006688
observed 5542cdca6ff7b329063b59a1b850ddf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:17.158709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006688/manifest.json
observed d6cc272ed88f03eede2a8d3154975e9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:17.145863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006688/publication.md
observed cac33ab1c19e2dfaaf9a5cd20e8c547d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:17.131266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006688/publication.txt
observed c697ed6e3588e4bad968fe7722a1770c...
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.