OpenTechnical

OT-2026-000072659

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000072659) never changes.

Identity and time

Publication numberOT-2026-000072659 · never reused
Internal UUID01a0ae92-89d9-7024-a98b-e868549d1915 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072659
StatusPUBLIC

Content hashes

Canonical text318519611faa7a2f2342afe8f1d924ef5b1e59f0da430dce1ccb538ddd76dcd1
Markdown1a26402d66eeea7b956733da25a3d235478b814b36542bbe99a658cfe57d67b1
PDF
Publication pagee94d256896100f04e6e8f7ddf5c5901d0b62ba8a3a4ce19068eb97d2514a8550
Manifest3a89f5892e7b76f68ff289b82cb6c5ef4068377ca6f7b1ceb80ee0f14103463d

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
Signature9vkOtXSr7+TLUBKf75fJURCY3gQrE/4dzAPCesqhtEJELcYsS+09vIW+0g8Xb8GIQAW5BnsHe1uz5F1dREq2Dw==
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

2026-09-17T10:22:30.801472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072659
observed e94d256896100f04e6e8f7ddf5c5901d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.784346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072659/manifest.json
observed 3a89f5892e7b76f68ff289b82cb6c5ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.766919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072659/publication.md
observed 1a26402d66eeea7b956733da25a3d235...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.749782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072659/publication.txt
observed 318519611faa7a2f2342afe8f1d924ef...
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.