OpenTechnical

OT-2026-000069695

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000069695) never changes.

Identity and time

Publication numberOT-2026-000069695 · never reused
Internal UUID01a0ae90-b52c-7326-a737-2dfb20ad38c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069695
StatusPUBLIC

Content hashes

Canonical texta976fc1053da7f610f9a743793e33062b8ac91ca98ec0f4636e6d818ffa85956
Markdown75b51557c60108caa6966da6304ae45420b0744b04417d17152c60ba739cd0f7
PDF
Publication pageb5f0a15c675b2a3f3e114517b47c6ea4baed0ae2faa6ca197553a1dbe8d71d7a
Manifest83ca76c1b5f06f5022bd7c6ef3c75872f4e5841c23ed746c2acfa80e9acf4f04

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
Signaturew8hh2LtOtR0yK2XVsNd3UZTUNj9o29ZpibE3n6e383jZlsI0pMeF60C5eFq33AotDzbINM5p3pe4nWjEemMkCg==
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

2026-09-17T10:28:22.154583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069695
observed b5f0a15c675b2a3f3e114517b47c6ea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:22.136953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069695/manifest.json
observed 83ca76c1b5f06f5022bd7c6ef3c75872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:22.119007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069695/publication.md
observed 75b51557c60108caa6966da6304ae454...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:22.100056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069695/publication.txt
observed a976fc1053da7f610f9a743793e33062...
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.