OpenTechnical

OT-2026-000080657

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000080657) never changes.

Identity and time

Publication numberOT-2026-000080657 · never reused
Internal UUID01a0ae96-7e79-7019-9046-7991c4e1bd24 · 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-2026-000080657
StatusPUBLIC

Content hashes

Canonical text9196725fbee5480135bcaa0269efac00d0b5077e0f3c3f758b2e4279e110ebd9
Markdownb2631ca0fe5d38a7dc2119dd924c3ad13a6c7567e258250a97482b442194161e
PDF
Publication page4b5de97f379c93dcf7d43261cb03e263f24b481d4b4508995c384b90c0170d06
Manifesta472b68d13f2caaf99aa321244368f72333e6c5e36cff87fbeb93502b8954bb6

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
SignaturecgIkAcnrUfE7ez70qPl4F0WFfe0YaTJrGyRFxdOMarEgVFAIlNqNDISO4C27VyRyGN6TsT7MmNRGzZzrgYI1DA==
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

2026-09-17T10:03:20.087289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080657
observed 4b5de97f379c93dcf7d43261cb03e263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:20.051039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080657/manifest.json
observed a472b68d13f2caaf99aa321244368f72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:19.991144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080657/publication.md
observed b2631ca0fe5d38a7dc2119dd924c3ad1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:19.962647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080657/publication.txt
observed 9196725fbee5480135bcaa0269efac00...
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.