OpenTechnical

OT-2026-000070865

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000070865) never changes.

Identity and time

Publication numberOT-2026-000070865 · never reused
Internal UUID01a0ae91-8c2d-7da3-b27b-ce4bff72d4b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070865
StatusPUBLIC

Content hashes

Canonical text869e6cb87f55d026882b2962f766eb81fd17b50a7574cf1075fb23b1cc3803f9
Markdown179864b93a38d2b7ee10b17f7a91a06b84e2ac2faa13b47f5b242e81f6630911
PDF
Publication page9b4fbe6635b83707737b6634b558c648f87f33c81f0dc565ea27c7fa18dfb502
Manifest0c72c83c4811a5ce43a6cb3d3c9ae3bdb341d63524c23f83be93b12edcaec450

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
SignaturerMyUmm3Nt5CcvakOy1wWAbeV7h8axt0HlwXBbDu8zd8XFFRWZLEU1N7e5xM9xhIE48sPCZCBIP8YdWXaegXdCA==
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

2026-09-17T10:25:41.218637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070865
observed 9b4fbe6635b83707737b6634b558c648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:41.202544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070865/manifest.json
observed 0c72c83c4811a5ce43a6cb3d3c9ae3bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:41.186275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070865/publication.md
observed 179864b93a38d2b7ee10b17f7a91a06b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:41.169800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070865/publication.txt
observed 869e6cb87f55d026882b2962f766eb81...
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.