OpenTechnical

OT-2026-000073157

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, two stage ejector, 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-2026-000073157) never changes.

Identity and time

Publication numberOT-2026-000073157 · never reused
Internal UUID01a0ae92-efb6-79ff-9b15-de875b772854 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073157
StatusPUBLIC

Content hashes

Canonical text43eb44f55816449c629fcd036da577fd499bd00559a31a7021ab4879249971e9
Markdown335977e0b74ce69526da59ba33f58c61a042eff816bab841e924c310b75781dc
PDF
Publication page4b3d0b9a74e5c4d490a32e0e5b0c4a26551a107472d057283c4f3418c13d7dcc
Manifest9495eae6e3a43d63e2d0cddc7879aeaae55a0533b672dcca54502f18c5236b0e

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
SignaturelnWR9aaVjKzwNuUGpTfGYMYg3Gn3bipuomN4bmL7JRLsNPiKx8cS7Ny5Xa6OJTJ7fY0kHHDa1DBcCQ0v5P0/DA==
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

2026-09-17T10:21:01.702409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073157
observed 4b3d0b9a74e5c4d490a32e0e5b0c4a26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:01.683017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073157/manifest.json
observed 9495eae6e3a43d63e2d0cddc7879aeaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:01.664038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073157/publication.md
observed 335977e0b74ce69526da59ba33f58c61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:01.533370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073157/publication.txt
observed 43eb44f55816449c629fcd036da577fd...
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.