OpenTechnical

OT-2026-000069343

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000069343) never changes.

Identity and time

Publication numberOT-2026-000069343 · never reused
Internal UUID01a0ae90-b529-7556-b70f-9fd1a1639582 · 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-2026-000069343
StatusPUBLIC

Content hashes

Canonical textd20e685d36084b3cef1af3be94d70c1ca634c7f94b46587de7cc833cb3d2cb14
Markdownbfe40e53c9e8a3fbe785bc93b451f1d1c56d5f5423365329591bde4850429441
PDF
Publication page39d176e280920927b438acb17fcb87f3e9a1a1d902f2f4aa669d4780cfe5eb90
Manifestb17c05e301f3896a4d2a6fc674240e994ecc25d2371d7daf36774fd55d39a36a

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
SignaturepVEPv89uJe9eOlrLmzrykmINEb3rB0uzhVoYxUpGTfzNstPAPL8MCod5kJfIJOgjoFAk1vcwlW9jKoBdm+i1AA==
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

2026-09-17T10:30:14.573915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069343
observed 39d176e280920927b438acb17fcb87f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.218961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069343/manifest.json
observed b17c05e301f3896a4d2a6fc674240e99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.199506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069343/publication.md
observed bfe40e53c9e8a3fbe785bc93b451f1d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.180283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069343/publication.txt
observed d20e685d36084b3cef1af3be94d70c1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:55.673736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069343
observed 39d176e280920927b438acb17fcb87f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:55.656479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069343/manifest.json
observed b17c05e301f3896a4d2a6fc674240e99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:55.637944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069343/publication.md
observed bfe40e53c9e8a3fbe785bc93b451f1d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:55.619042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069343/publication.txt
observed d20e685d36084b3cef1af3be94d70c1c...
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.