OpenTechnical

OT-2026-000068715

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, vented after 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-2026-000068715) never changes.

Identity and time

Publication numberOT-2026-000068715 · never reused
Internal UUID01a0ae90-2483-7136-8ff4-bb6ac468c6b5 · 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-2026-000068715
StatusPUBLIC

Content hashes

Canonical text93579098d1c8339c5f3b8ca88670b3db6c223b7c11e51e284b5a68a59c48d866
Markdown4105dfd1f50f5dab4fb47a5e2e72a0812fd45944cfe79d7b38ebf81168a809cc
PDF
Publication page3ddeab85e81d61152a5031f92e47ee4080135d933f9d3509c8d79d1df75f0ea8
Manifesta9431eaa4cad35f33a2ec50b62fec83f91d945c98ed718b1c075cbd4d4d5f7fe

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
Signaturefir7FavwJc3rtqAXWQ20g7QrakH1AA6+KKFI8VZ0PC6zT9hsjeF3EbrFu4veYS+Yt+sysW9IdnaIr1YBwqbiCQ==
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

2026-09-17T10:29:55.528903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068715
observed 3ddeab85e81d61152a5031f92e47ee40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:55.507741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068715/manifest.json
observed a9431eaa4cad35f33a2ec50b62fec83f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:55.490749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068715/publication.md
observed 4105dfd1f50f5dab4fb47a5e2e72a081...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:55.472648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068715/publication.txt
observed 93579098d1c8339c5f3b8ca88670b3db...
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.