OpenTechnical

OT-2026-000077488

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-2026-000077488) never changes.

Identity and time

Publication numberOT-2026-000077488 · never reused
Internal UUID01a0ae94-f50a-783a-b975-1801b8c5112a · 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-2026-000077488
StatusPUBLIC

Content hashes

Canonical text047a6af60ff7ca153513c274e21049ecf7ee9e1765446d18a3c1b643babb539b
Markdownd22cffe03c27a7556205d6e14acf316b33d69e405c9a5e1bc62bf2844b2f0e73
PDF
Publication page8c350a74ce521376d45af2b14dba6128590c33999615fac80ecc0425cfc3ddaf
Manifest7e19fbb0629b200dc6bb90d7a03dba59b547926f97ca1e7d7ea7dbd7083ece13

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
SignaturebwtW4fH7e9pYyQGDNDo75+z0HSvKGQdgY10UtY1J6wRAypBc10NQNkUXNdjOgx5aZbIoVFmLTj6zcLJaVkTtCA==
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

2026-09-17T10:09:10.617197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077488
observed 8c350a74ce521376d45af2b14dba6128...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:10.598630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077488/manifest.json
observed 7e19fbb0629b200dc6bb90d7a03dba59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:10.578330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077488/publication.md
observed d22cffe03c27a7556205d6e14acf316b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:10.559467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077488/publication.txt
observed 047a6af60ff7ca153513c274e21049ec...
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.