OpenTechnical

OT-2026-000069515

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump 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-2026-000069515) never changes.

Identity and time

Publication numberOT-2026-000069515 · never reused
Internal UUID01a0ae90-b52b-7481-b7ae-4ab5a6ebba0d · 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-2026-000069515
StatusPUBLIC

Content hashes

Canonical text177a973be24ad00b978787ff4c9a4be81ea0aa8bd1063d9be11a66d4dae1e657
Markdown087282ce1f8af9a9fc0858dbcb11902962ff0d9302b3a3342570c528f890e9bc
PDF
Publication page7a3a9c7f4c42620ff450b350c53398c4144e74e4cd6684a5677ddc764f6aafc8
Manifestdf053531c65e38fdcb8418687a2fe2dd926d71bf505cf87c87552b44bf1f047a

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
Signatureb8JntW8DvxF4fWJY28dMkEefyYgshWgUDCxJW6fjio115ylyG3PJtxohqkQu+8avjg4JhHtj2+fSZX4RGH3DDw==
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

2026-09-17T10:30:36.277773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069515
observed 7a3a9c7f4c42620ff450b350c53398c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:36.260394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069515/manifest.json
observed df053531c65e38fdcb8418687a2fe2dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:36.241320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069515/publication.md
observed 087282ce1f8af9a9fc0858dbcb119029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:36.221908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069515/publication.txt
observed 177a973be24ad00b978787ff4c9a4be8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:09.344655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069515
observed 7a3a9c7f4c42620ff450b350c53398c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:09.328303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069515/manifest.json
observed df053531c65e38fdcb8418687a2fe2dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:09.311947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069515/publication.md
observed 087282ce1f8af9a9fc0858dbcb119029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:09.294528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069515/publication.txt
observed 177a973be24ad00b978787ff4c9a4be8...
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.