OpenTechnical

OT-2026-000082923

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, sustained 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-2026-000082923) never changes.

Identity and time

Publication numberOT-2026-000082923 · never reused
Internal UUID01a0ae97-8cca-7aa6-aa4f-8a0b0b7d6dee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082923
StatusPUBLIC

Content hashes

Canonical textf92dfed75497f2f6a1e14439477c8dbffbfeaa94d793ed3851a23d32c83f7216
Markdown4086c1f70e9aebc46b9d683b7734ec40a014417b733b44befe0b62a4874c7e0d
PDF
Publication page50e8902edb9f9a32dc0fa215e7475eebfed5eb818b570a6c33d09415e8acce69
Manifestde65e52c4bc662f674bbcc2ebb4341f9a2d8d35af276199972ddd39c355fc25d

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
Signaturelf2vtZbYmo2BXzrCipUr0jesv+j3Afqosl9eTtgTvxPtlo8kzRH+ZxtTAHzvkDSZTHyxJ0M2cOHBBI5WUtmXCQ==
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

2026-09-17T09:58:36.894729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082923
observed 50e8902edb9f9a32dc0fa215e7475eeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:36.876859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082923/manifest.json
observed de65e52c4bc662f674bbcc2ebb4341f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:36.858345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082923/publication.md
observed 4086c1f70e9aebc46b9d683b7734ec40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:36.840540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082923/publication.txt
observed f92dfed75497f2f6a1e14439477c8dbf...
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.