OpenTechnical

OT-2026-000088009

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000088009) never changes.

Identity and time

Publication numberOT-2026-000088009 · never reused
Internal UUID01a0ae9b-1aa6-7b77-b104-5e4e9572d78e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088009
StatusPUBLIC

Content hashes

Canonical text6703cb84351342fc9f86ca66b7ae305bff648fed6030ae37260ca98e5937b521
Markdown0816cfea3616a8a25d5784a4b44e805495634a1122edd327618a08973ad82684
PDF
Publication pagea4c6f806b62765bb954b136e59a3ceda8e984b9d8409f1bb46b72795fe03bed7
Manifest0ba5e07f404d6c5bd266fd970adeaaa1f1264cd314d1e2bfcc68f5a2d82b2635

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
SignatureQ1JV2R6wX/W8c9I2W5eeIlOXaGzlt7PcMQyMTobqu4bIQlyzUvZuBIIE+4yGKK6ce9DXhMKoKdvtTOF0+YjmDA==
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

2026-09-17T09:49:23.284022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088009
observed a4c6f806b62765bb954b136e59a3ceda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:23.258737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088009/manifest.json
observed 0ba5e07f404d6c5bd266fd970adeaaa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:23.236406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088009/publication.md
observed 0816cfea3616a8a25d5784a4b44e8054...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:18.913921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088009/publication.txt
observed 6703cb84351342fc9f86ca66b7ae305b...
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.