OpenTechnical

OT-2026-000006865

Publication integrity record

Vacuum cup gripper, per zone isolation, two stage ejector, polyurethane cups, flat form

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-2026-000006865) never changes.

Identity and time

Publication numberOT-2026-000006865 · never reused
Internal UUID01a0a96a-1c31-7bcf-b72c-963c1961fc53 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:51:38.676326Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006865
StatusPUBLIC

Content hashes

Canonical textac675858dea018ddff861f3493f23fe25cc231142b255a04a2f87939a63620aa
Markdown8f6dcc671b58c12df5d320ec80de877f5a5681a68bfe2f8fc390badc199408fc
PDF
Publication page5122c5cf74e854ecc29e322f7af1c2b725e6d4142959bc833a4775ce1c0783b4
Manifest9b428fa427e95a6dd4dac962166965c6651d76f268894867ccb40f20a228af3c

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
SignatureTS9sIA9nE+PUL2JBXeioynozQe+qtPEt6tWSWc2d2nrKgPdPfW47H3KwfTsCb11Ff5Qd6mTOfNdC7be6LvZDBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:27.710860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006865
observed 5122c5cf74e854ecc29e322f7af1c2b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:27.697853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006865/manifest.json
observed 9b428fa427e95a6dd4dac962166965c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:27.684650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006865/publication.md
observed 8f6dcc671b58c12df5d320ec80de877f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:27.672200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006865/publication.txt
observed ac675858dea018ddff861f3493f23fe2...
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.