OpenTechnical

OT-2026-000073561

Publication integrity record

Four bellows cup 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-2026-000073561) never changes.

Identity and time

Publication numberOT-2026-000073561 · never reused
Internal UUID01a0ae92-efb9-7acd-a615-7f947ca8b552 · 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-2026-000073561
StatusPUBLIC

Content hashes

Canonical text49e09d2baae1ba5a625e2ebc868018a826ef372d30e860f8abd32ec5f1286b8d
Markdown483f70c3dcb7019f7fb3ec04739a2dce9cbb248405679ee07ebb229ef8957281
PDF
Publication page80387c703ca9d5dd70e810d6425cc49c6182143f5efc0734b154ac8a753bddda
Manifest0172f1351df709c087603f9b7e994b76aa161efb8e63093365865ced051c6ce4

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
SignaturerAS03v++dB4yclVnsDYQSqV+jL32hKNY3xp3XkYjeJGj0aANcR+BFuG8GOb05l+gXf2971abNVM+oYNSU02hBQ==
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

2026-09-17T10:21:44.046359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073561
observed 80387c703ca9d5dd70e810d6425cc49c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:44.029995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073561/manifest.json
observed 0172f1351df709c087603f9b7e994b76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:44.012178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073561/publication.md
observed 483f70c3dcb7019f7fb3ec04739a2dce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:43.993993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073561/publication.txt
observed 49e09d2baae1ba5a625e2ebc868018a8...
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.