OpenTechnical

OT-2026-000068490

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000068490) never changes.

Identity and time

Publication numberOT-2026-000068490 · never reused
Internal UUID01a0ae90-2481-76ae-a5bb-a6614e8c81af · 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-2026-000068490
StatusPUBLIC

Content hashes

Canonical text05b11587ca5839c7d03b9d1ad1089dd6331afe633c6429c799a8ebf4bf2a3257
Markdownc304ec2a8d9c9fb8c50a7a00dd87644a6b3bdbc3a14a885a4720cb1d9a278435
PDF
Publication page628e7ace2deace3553223816a5c18f8ea9cc5db3853c2e4c72cd0899d33a7b2f
Manifest8be4a82568dae48e97ac253406c307179edc8396e5e17bd063198982fbd0ee35

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
Signature32c06q/LKEdK8UAoy5r+WYT9Nj7kbvIVMAeO2+aVnawblbpjw9Z0wLS7Q4qUKzsfLeYFRg5ozifJiUG+uAEFAw==
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

2026-09-17T10:29:38.733422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068490
observed 628e7ace2deace3553223816a5c18f8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:38.715720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068490/manifest.json
observed 8be4a82568dae48e97ac253406c30717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:38.695511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068490/publication.md
observed c304ec2a8d9c9fb8c50a7a00dd87644a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:38.678647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068490/publication.txt
observed 05b11587ca5839c7d03b9d1ad1089dd6...
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.