OpenTechnical

OT-2026-000089054

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000089054) never changes.

Identity and time

Publication numberOT-2026-000089054 · never reused
Internal UUID01a0ae9b-daff-7fc7-987b-55a4127afc26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089054
StatusPUBLIC

Content hashes

Canonical textdca9ef0906c967d0ab6934d8c45df3b007bf3a560247433012c079e7987ef976
Markdown12bbf2fd2769b94884652b3f9e02e64d3aee38fa104ccfa0c78e216ca420a05e
PDF
Publication paged3d9111304f2b978e955736a266f5adf18bcd3e835b09f4cb052151a8ed59f95
Manifeste55cd6f94ca016453012274e928b75bfc8973dd2524ae61bd9107bf4ed3ff01c

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
Signature1JB/tVeCWdw6x9EuMtbIFPd5N/nmWIt25KsD2IPiqgTXyjaVE9JqqL/VwGYXaJADSWPm5DFd7lEdNYpRf1CZCQ==
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

2026-09-17T09:46:57.091760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089054
observed d3d9111304f2b978e955736a266f5adf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:57.074837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089054/manifest.json
observed e55cd6f94ca016453012274e928b75bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:57.057347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089054/publication.md
observed 12bbf2fd2769b94884652b3f9e02e64d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:57.039474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089054/publication.txt
observed dca9ef0906c967d0ab6934d8c45df3b0...
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.