OpenTechnical

OT-2026-000006497

Publication integrity record

Vacuum cup gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000006497) never changes.

Identity and time

Publication numberOT-2026-000006497 · never reused
Internal UUID01a0a95d-4c14-723d-867b-8f5b67e1910f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:37:38.967074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006497
StatusPUBLIC

Content hashes

Canonical text3dd6ea5dad5e7046612acda8240738b84c42f96a2d5a95ada0bc057fd2d71b5f
Markdown17a407814be4a0c033d1dfee87087f5daa1705a85f45271cf3be5b17f5d58eb4
PDF
Publication page2966c3056134cf2e72d80e3e5ac81670244903a3624d66621f4751e3d6d63202
Manifestbb8d7b3bb4fee0fe80ff5ba6e536e61e5873e2db278eb76d5f7b8b80ced97767

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
SignatureMfYcl+u2gWm6V/nSq3Dr9xKsR81jWdnZ9zm4gksYbj7+WoiWChacDOtazpjgtPU+76RTLJvHw/VFOW4sLLaYBA==
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

2026-09-16T08:40:10.897830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006497
observed 2966c3056134cf2e72d80e3e5ac81670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:10.882775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006497/manifest.json
observed bb8d7b3bb4fee0fe80ff5ba6e536e61e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:10.736531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006497/publication.md
observed 17a407814be4a0c033d1dfee87087f5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:10.708691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006497/publication.txt
observed 3dd6ea5dad5e7046612acda8240738b8...
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.