OpenTechnical

OT-2026-000071912

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, vented 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-2026-000071912) never changes.

Identity and time

Publication numberOT-2026-000071912 · never reused
Internal UUID01a0ae92-47c0-76f3-8c44-db6e8973c31b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071912
StatusPUBLIC

Content hashes

Canonical text49ad397852fd8f4ff5a35d8958c13a851b0337b6d40200dcf8d0d9dd77c5e99f
Markdowna62fd5a527214a0aa759b805c533b6cbf542f7f55924b2ba5273b84608bea921
PDF
Publication page677b8cdfca658d2c284506afe53c4c3d32da1701b7508533eb861ddeab4092c1
Manifestd93a0bfcc794286965f872c94c8b6703c7132ad0aa867f41907e34069d8302fd

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
SignaturekoH5DlaAfmmy3gR/d7V1SAuunS0PCE94P8C3NftrdhFFvby8mL4u6QjJn6gbPM5X9vVFHJauYKbRlqiw0vgDCA==
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

2026-09-17T10:22:56.317605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071912
observed 677b8cdfca658d2c284506afe53c4c3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:56.298077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071912/manifest.json
observed d93a0bfcc794286965f872c94c8b6703...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:56.281361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071912/publication.md
observed a62fd5a527214a0aa759b805c533b6cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:56.263287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071912/publication.txt
observed 49ad397852fd8f4ff5a35d8958c13a85...
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.