OpenTechnical

OT-2026-000068445

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000068445) never changes.

Identity and time

Publication numberOT-2026-000068445 · never reused
Internal UUID01a0ae90-2481-7d23-8cc0-eb47058c60f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068445
StatusPUBLIC

Content hashes

Canonical textff4c2a909502ec0fa67031243177285b40fd15f67777098062e5c339681bd49d
Markdowne1f08c392ade5b7cd19837f3c17eee3ceba7c470f715b3c6e7991e8507023779
PDF
Publication page9da266adeec63bbbfadc94f8f5fec64ae3757197dc06643d5724c34e9bc68bf3
Manifest633ad846f924363a0199b1a7db034a6e21c3ad0b577e4f3426a16b7c74813020

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
SignaturegoFKqh7jCBQZCpBUQ9CVWMqToK7LWclBvzfpUiAsA5bFd/OPxK7nlmdY7MMbnHzdK42bmRf6vFmRoAQ+OflqAQ==
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

2026-09-17T10:29:35.445162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068445
observed 9da266adeec63bbbfadc94f8f5fec64a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:35.428105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068445/manifest.json
observed 633ad846f924363a0199b1a7db034a6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:35.409697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068445/publication.md
observed e1f08c392ade5b7cd19837f3c17eee3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:35.393273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068445/publication.txt
observed ff4c2a909502ec0fa67031243177285b...
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.