OpenTechnical

OT-2026-000073135

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single 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-2026-000073135) never changes.

Identity and time

Publication numberOT-2026-000073135 · never reused
Internal UUID01a0ae92-efb6-77aa-a191-7fade318642d · 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-2026-000073135
StatusPUBLIC

Content hashes

Canonical text60a4eacbab0effeab4f188303d2f78f65e44421e135ed9acc357125daee09906
Markdown4ed0f3baa72c41e89ef21cc67df453e80a18036b3e9568bd6ad370c2f864a1c9
PDF
Publication page4665c542e7f111f0d2dc70d692cbcfbe0ac6fe7cd42a6597e73a3c00abb8412d
Manifest3879d3431394cb92c29d38725fabd11012b58c43b5322946681727eb9860a7d3

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
SignatureoayqaYlJD/8ivV+mmEbn0D4N9MXQDor/xRgca7iuA93xcJWR4DioYzVTMm4sGY8W7prDbG4EopDEG89ebeSpCQ==
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

2026-09-17T10:21:04.186570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073135
observed 4665c542e7f111f0d2dc70d692cbcfbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.166378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073135/manifest.json
observed 3879d3431394cb92c29d38725fabd110...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.147538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073135/publication.md
observed 4ed0f3baa72c41e89ef21cc67df453e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.128536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073135/publication.txt
observed 60a4eacbab0effeab4f188303d2f78f6...
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.