OpenTechnical

OT-2026-000073587

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000073587) never changes.

Identity and time

Publication numberOT-2026-000073587 · never reused
Internal UUID01a0ae92-efb9-755d-8ef4-98cf3235c0f2 · 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-2026-000073587
StatusPUBLIC

Content hashes

Canonical text14bd69c1e8a1150418a8e0c80e5cd95168861b5d50c2d4587e21a25591083ba7
Markdown4d49bfc1a293c89180dc764017d826c9d352be3241b511a27823da0bca58fae6
PDF
Publication pageed50bcb9171cddee2fac7effd38ab50e09312cedd7e6e00b87587e61e375e9f3
Manifesta4ba3ff4435529bbf542616774ccb05d5e85cb6733e9733a388d93cfb1420ad9

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
Signatureja7Me8Ihzw9UDRQL5iLIpr9e9YCJqItf44ZJGUyKQD1c8SveuX3J4BhcsVC0Z8H+//sMXA9fliZU9vBQmB7MCw==
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

2026-09-17T10:21:45.978929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073587
observed ed50bcb9171cddee2fac7effd38ab50e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:45.960818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073587/manifest.json
observed a4ba3ff4435529bbf542616774ccb05d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:45.943006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073587/publication.md
observed 4d49bfc1a293c89180dc764017d826c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:45.925021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073587/publication.txt
observed 14bd69c1e8a1150418a8e0c80e5cd951...
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.