OpenTechnical

OT-2026-000080647

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three 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-2026-000080647) never changes.

Identity and time

Publication numberOT-2026-000080647 · never reused
Internal UUID01a0ae96-7e79-7f62-abf7-8b68f197e2c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080647
StatusPUBLIC

Content hashes

Canonical text9fb915e94e4fb489e1ceea7e8eecba18a6f46c295ccc20d9a3bd4ba09983ddb8
Markdown19bd8d3050c17ad3375527e0f6b22c6a937c5fd4a64700190468b4071795975d
PDF
Publication page6449b47ee317249c889e3fa1bcb883b712985df0e8a7bc2ece7b5cbcfa3ae660
Manifestbac162bee116c1303eed463d348068438305de64b547e4338870a198fbe8a886

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
Signaturew8dms9QzT+8T6JeVIh+kER9CuR9omXy/uofUeMqVlhJRSxQq5tYtxQaUq87fenSaqrT1+CuivecbnNOGvtP5Bw==
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

2026-09-17T10:03:18.860909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080647
observed 6449b47ee317249c889e3fa1bcb883b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:18.837655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080647/manifest.json
observed bac162bee116c1303eed463d34806843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:18.814484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080647/publication.md
observed 19bd8d3050c17ad3375527e0f6b22c6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:18.790642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080647/publication.txt
observed 9fb915e94e4fb489e1ceea7e8eecba18...
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.