OpenTechnical

OT-2026-000062388

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000062388) never changes.

Identity and time

Publication numberOT-2026-000062388 · never reused
Internal UUID01a0ae8c-0abf-7b21-bdd5-3a9fdb276c0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062388
StatusPUBLIC

Content hashes

Canonical textb67a0cc2db3f58f665baf6f210265cb46e0ee8b413cdaa888b34cd25a19e844e
Markdown4984b9028bf998e3765b912e7e7e59cf568848f91a136b7a80aaf1a6c7929d75
PDF
Publication page9075103c78afa98b59ce2db8ae65057936e781e3287927fa3366e7f43f5e3bc6
Manifest9e6e8d495dc8b0cc5186f67c4071cff1bc2e0faceb510baa69715b6dbaccc1ac

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
Signature9Y7XVceQ9NRdu19zBcJv2MFt65e9OdelLsDhz3A1HCylLxdQ5lRlVwK8NlfqxiPdsjtR4rM3ZhiDXgPTx1nQAQ==
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

2026-09-17T10:39:42.660023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062388
observed 9075103c78afa98b59ce2db8ae650579...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:42.642310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062388/manifest.json
observed 9e6e8d495dc8b0cc5186f67c4071cff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:42.623400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062388/publication.md
observed 4984b9028bf998e3765b912e7e7e59cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:42.605936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062388/publication.txt
observed b67a0cc2db3f58f665baf6f210265cb4...
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.