OpenTechnical

OT-2026-000073087

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000073087) never changes.

Identity and time

Publication numberOT-2026-000073087 · never reused
Internal UUID01a0ae92-c816-723b-aa54-624639fadbb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073087
StatusPUBLIC

Content hashes

Canonical text4d417c4fa4d1ab10b7056857392a4293e820b10df3dac068b64d96c0cd9323c3
Markdown04b70b63d674e77d10cbce3d18b5f172894caab0cf2c28fd4e0265d4a6eb18c1
PDF
Publication pagefa67ffe5dd564dda90970d2ed4cbf4aad407283d7e33e6995226fbb977a6172f
Manifest46e21204dc44744447aa634bc413c74a745f58bdda3256349d48ae47425ddbf9

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
SignatureVzK498I+SI1mI3MxlZg5iXgJotjIdFs0jrmZhBZRXlBG1YQU7sHrJdmpRlzJ6BttyAV3xuKgYOdit+hp9Ph5AA==
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

2026-09-17T10:22:02.385238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073087
observed fa67ffe5dd564dda90970d2ed4cbf4aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:02.367735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073087/manifest.json
observed 46e21204dc44744447aa634bc413c74a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:02.350120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073087/publication.md
observed 04b70b63d674e77d10cbce3d18b5f172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:02.333685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073087/publication.txt
observed 4d417c4fa4d1ab10b7056857392a4293...
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.