OpenTechnical

OT-2026-000079489

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, sustained 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-2026-000079489) never changes.

Identity and time

Publication numberOT-2026-000079489 · never reused
Internal UUID01a0ae96-0b91-7e85-bd90-70b55e94f0fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079489
StatusPUBLIC

Content hashes

Canonical text320601b31408e64a88d71a316ec888cb65fe9a64827f3ce144423d574ae47e2f
Markdown458d3b79cbe2663261995b4bbe8a62bb179cb47d8ed2a7518f298efc042f9a48
PDF
Publication page310477c5983ad7e19d9bee69ae7fdaad128bfe11875adb675088a27efd120e6e
Manifest026d4540ad211b033348b61d44e0326490374b9fad0f00dbb36527898c7c4c8a

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
Signature28ykR78NXtTozft14UfBTHWbR4MeEIhUC0KGMYtxqJf5iJs1f2tertlKzs1nPARZtkYf9A4TuZyelC1YJIJIDA==
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

2026-09-17T10:04:45.057546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079489
observed 310477c5983ad7e19d9bee69ae7fdaad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:45.040121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079489/manifest.json
observed 026d4540ad211b033348b61d44e03264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:45.000553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079489/publication.md
observed 458d3b79cbe2663261995b4bbe8a62bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:44.963847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079489/publication.txt
observed 320601b31408e64a88d71a316ec888cb...
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.