OpenTechnical

OT-2026-000085070

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, sustained 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-2026-000085070) never changes.

Identity and time

Publication numberOT-2026-000085070 · never reused
Internal UUID01a0ae99-43b8-7915-a25c-11113c343d09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085070
StatusPUBLIC

Content hashes

Canonical texta49776aa4de4e32d5f76a615e90b6c0d1427276126fedc26db172b52ee0483ea
Markdown186f12b9fae76da961695fc72167b440e84c543469af2b5ba27c851386ef012d
PDF
Publication page6c04843cdedbac8313283ed30438fe44fd928a5fb6d0c681cbba85df60ad68f4
Manifestba236f3a04b75db8b78c5502cee3d9b9c85e1cda59b0a13bdd3b7f9217b1c185

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
Signature+wolQDBd0e67VQQ1ZW6GI2dwWUNF7UD3/WqKKA3lmFWfREibRmTWICXufAFZk0LZxmPNelSS2qY7OE2PthuIDA==
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

2026-09-17T09:55:05.692783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085070
observed 6c04843cdedbac8313283ed30438fe44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:05.675334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085070/manifest.json
observed ba236f3a04b75db8b78c5502cee3d9b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:05.657868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085070/publication.md
observed 186f12b9fae76da961695fc72167b440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:05.641465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085070/publication.txt
observed a49776aa4de4e32d5f76a615e90b6c0d...
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.