OpenTechnical

OT-2026-000064175

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000064175) never changes.

Identity and time

Publication numberOT-2026-000064175 · never reused
Internal UUID01a0ae8d-a45f-76ea-9c1c-f1f62fd5e3df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064175
StatusPUBLIC

Content hashes

Canonical text39aed18913e6474e19b56040b203f590c80953dbf09e5ffc28c98f46bb19f6a2
Markdownc665b527aab927f1c5260d6735b1e5a77d9418dce392ad784872faebf06ed0d4
PDF
Publication page337e62289b5bb7cee787ee71b981e485c2e648a3764dedd2473609faae103ae2
Manifest75ca221b7fe6467cb0a09ca0cbdce52943d9dcf13c446cf297a8d0deebe97b87

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
Signatureh5LikkuGEMVN3C1gaL5n0Gz7CVJ1z81myBUvTRYvNLvZX2EzvQ9Gl6Sfdk+5mcya1QOo9Oy3wPwd0zLtIHuBAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:11.419771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064175
observed 337e62289b5bb7cee787ee71b981e485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:11.399748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064175/manifest.json
observed 75ca221b7fe6467cb0a09ca0cbdce529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:11.373600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064175/publication.md
observed c665b527aab927f1c5260d6735b1e5a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:11.354721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064175/publication.txt
observed 39aed18913e6474e19b56040b203f590...
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.