OpenTechnical

OT-2026-000080717

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump 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-2026-000080717) never changes.

Identity and time

Publication numberOT-2026-000080717 · never reused
Internal UUID01a0ae96-b973-7ffe-8516-ee1af461d574 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080717
StatusPUBLIC

Content hashes

Canonical text81492b6ed7fc2baaba99d5064bdb2bc0e299cffc8493ada35cac7015d031f56b
Markdown0a6b0871e75f3b1c99fe66255f6783da312b8ec0bdd6dda00344249604c4f110
PDF
Publication page7190ba210d0aa3bdbab8c34fe2371630aeec747ecaebd2b6714491540d488161
Manifeste6075f340be6b1d1f4647e02738d74ef06fdc846c4ad8dab9c360de463ebca3c

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
SignatureXDgPa6DVfkKoISsSFJttVyigd6DoigInalYnr19c9eEURgm5gDiAqAS0WnTa6mLsUjNSkKWG5Vqcb5AHXbgCDg==
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

2026-09-17T10:01:45.106086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080717
observed 7190ba210d0aa3bdbab8c34fe2371630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:45.085404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080717/manifest.json
observed e6075f340be6b1d1f4647e02738d74ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:45.067018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080717/publication.md
observed 0a6b0871e75f3b1c99fe66255f6783da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:45.047502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080717/publication.txt
observed 81492b6ed7fc2baaba99d5064bdb2bc0...
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.