OpenTechnical

OT-2026-000072559

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three 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-2026-000072559) never changes.

Identity and time

Publication numberOT-2026-000072559 · never reused
Internal UUID01a0ae92-89d8-777f-a4e8-fed0ba22e654 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072559
StatusPUBLIC

Content hashes

Canonical text0c8736cd57e6190bd97f7338428092fe77c6e1389af04bf028cd1eaa17f9fe96
Markdownaee0b1e3b2071c1672d2e1829dc7d6c4fef78e2696f730f81332f7f5a95a53e0
PDF
Publication page0de34ebf437f9063130be94223da0bb564458c6c49753cb33cda0568df49460c
Manifest4524014d103aa65f63ba4fab0a90d316dd1aab9e421dd4165a34e461b2eb671b

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
SignatureyIhCps2nLFka2z6uwEz2nn3QsFyJxs49T8PIDbZOZCJp8sN3cXldFI393YMw9giGfx/R5yTZ630SpOsnKBw9Ag==
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

2026-09-17T10:22:23.573410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072559
observed 0de34ebf437f9063130be94223da0bb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.552367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072559/manifest.json
observed 4524014d103aa65f63ba4fab0a90d316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.533617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072559/publication.md
observed aee0b1e3b2071c1672d2e1829dc7d6c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.516229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072559/publication.txt
observed 0c8736cd57e6190bd97f7338428092fe...
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.