OpenTechnical

OT-2026-000084033

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, sustained blow-off before set-down

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-2026-000084033) never changes.

Identity and time

Publication numberOT-2026-000084033 · never reused
Internal UUID01a0ae98-5b5e-7b69-b840-b7e45ac8a2b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084033
StatusPUBLIC

Content hashes

Canonical text560ed3df68b5e9dc98cb65180a4e27f8410e5f2aabe927f4590b9928159aee6a
Markdownf5abe75b6ff68a0dab0398240520a4c95286d575cb312bc9edf38d01624e717b
PDF
Publication pagea8a3f8163a3de2a42dcdcefe4abe730e8e9f08c709e6675df90deb479bb54461
Manifest746f85d9e0ccf9545a82e143d1d383c1a4cce1dd54bd84da330828080acb19cd

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
SignatureWYmH4ay/8aSRUYTcxEZIfb53iPn0DadOVhR4DcEFk5YKgo0WsMsQkSmbPISA4MP9esIquhzN65cJSYkfdUYyCQ==
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

2026-09-17T09:55:45.526861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084033
observed a8a3f8163a3de2a42dcdcefe4abe730e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:45.509311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084033/manifest.json
observed 746f85d9e0ccf9545a82e143d1d383c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:45.491636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084033/publication.md
observed f5abe75b6ff68a0dab0398240520a4c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:45.473458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084033/publication.txt
observed 560ed3df68b5e9dc98cb65180a4e27f8...
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.