OpenTechnical

OT-2026-000077486

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000077486) never changes.

Identity and time

Publication numberOT-2026-000077486 · never reused
Internal UUID01a0ae94-f50a-7e47-a742-5bcb5ed15f64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077486
StatusPUBLIC

Content hashes

Canonical text49c6456156069c96c3318bbe8067560913716ad86f8f3b50c6d530aa5fc304fd
Markdown1a6f542b9ab0e26e32067e3f3052d50a82191ac831cb40d5e677547685862a65
PDF
Publication page3a4148a7161ce4d09c4c3f48f14ea5807e4587ae6e9521a7f76127b7e7e8a985
Manifest6dfccd2ed44abbe0c42779752138c673b5b70721c8898c228b8240f9e727d4f7

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
SignatureO1xJb/DLWL3PvDj4vFPmJ9Pl6JMDq/eOTYrT7TOp4lqZ1/msMra+jTjwdwwZxGP0PTxzCgHYfGgJlTsUYob+AQ==
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

2026-09-17T10:09:10.456929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077486
observed 3a4148a7161ce4d09c4c3f48f14ea580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:10.435865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077486/manifest.json
observed 6dfccd2ed44abbe0c42779752138c673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:10.416126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077486/publication.md
observed 1a6f542b9ab0e26e32067e3f3052d50a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:10.396303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077486/publication.txt
observed 49c6456156069c96c3318bbe80675609...
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.