OpenTechnical

OT-2026-000077744

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, vented after 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-2026-000077744) never changes.

Identity and time

Publication numberOT-2026-000077744 · never reused
Internal UUID01a0ae95-2ecf-721d-b7c2-60e0d365b489 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077744
StatusPUBLIC

Content hashes

Canonical text66d272e0465af97415f5d4c1758e10ab925ff81dea63baf6450ed26ae595e132
Markdownc3d8ce07087d11baea6bad122bb6626d283424c53bcfafb6af06ebe1e4110a27
PDF
Publication page9bfb8559c8751241315538454c1a5fb8698d0a18242555c3a30827e5bfde4bb5
Manifestd2afb4ce3caec28d37a7faa4e05bcc4b6a67e60f49ff3f757f6a5c80311b00a2

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
SignaturePKSLl6ftixnTO8j2eU9zAWxFb8wy7I1no4Eh+fQIJgmFwafnIUbc6ieolQ2KEzZ9H4Z5ASv3sIIHduhBj/dJCQ==
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

2026-09-17T10:07:19.491706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077744
observed 9bfb8559c8751241315538454c1a5fb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:19.473429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077744/manifest.json
observed d2afb4ce3caec28d37a7faa4e05bcc4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:19.455321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077744/publication.md
observed c3d8ce07087d11baea6bad122bb6626d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:19.436656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077744/publication.txt
observed 66d272e0465af97415f5d4c1758e10ab...
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.