OpenTechnical

OT-2026-000069485

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000069485) never changes.

Identity and time

Publication numberOT-2026-000069485 · never reused
Internal UUID01a0ae90-b52b-7229-933e-d816c2adf8a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069485
StatusPUBLIC

Content hashes

Canonical text5b0a5a80007613bc33e405958dd504bda212141bbb0ce9b3fab113409a4e0f96
Markdownd242698d027fbbc620ea2567ddb32850e4398fcdaca82fad8160443bd6ed83cf
PDF
Publication paged2d0a6a09945c5d90d845683b908536d5b7efd8f8e808b6802bf884cb454d3e2
Manifestd3b88897f2e0d18bea9c5d1d7ecfe3240d5ab46fa65050833ee49067650d6794

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
SignatureNUW2RRzY36LSIXJyzoy8GzOkLAAUfRZzG1yU07W5kmIvXpaUomj1vz1R6nyiy+mDKdZCNrFDi7nwgp4pXI+ABg==
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

2026-09-17T10:30:33.910568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069485
observed d2d0a6a09945c5d90d845683b908536d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.887713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069485/manifest.json
observed d3b88897f2e0d18bea9c5d1d7ecfe324...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.869740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069485/publication.md
observed d242698d027fbbc620ea2567ddb32850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.849958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069485/publication.txt
observed 5b0a5a80007613bc33e405958dd504bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:06.632349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069485
observed d2d0a6a09945c5d90d845683b908536d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:06.612025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069485/manifest.json
observed d3b88897f2e0d18bea9c5d1d7ecfe324...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:06.593106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069485/publication.md
observed d242698d027fbbc620ea2567ddb32850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:06.574252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069485/publication.txt
observed 5b0a5a80007613bc33e405958dd504bd...
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.