OpenTechnical

OT-2026-000086705

Publication integrity record

Three cup vacuum gripper, three zone face, three 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-2026-000086705) never changes.

Identity and time

Publication numberOT-2026-000086705 · never reused
Internal UUID01a0ae9a-2c99-7b4b-bf17-6b46a677d7f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086705
StatusPUBLIC

Content hashes

Canonical textfdc7bcc75fe4fb708711c0e18e497875b0eb2b9f9bc24115cdba9f46c86b8789
Markdown45d4e7b87222eef24c47089efb3aa0fb961cefd15994182cef5ea398b6807d60
PDF
Publication page37cea5949775ecad1513b6410481c6ab558298f296a8a9de2f4952a16df1902e
Manifest9daaf23562fb89921f9403a9a349f23a6c9d173e9c7b30b6542c03e54826b5a1

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
SignaturesQw4J3W7nnyhqefVXdjgHmKamKsv8rSnRDlHJ9/L0ZE5BDtQXQI9C8+ULwjUuWCFMpZG1CL4GOZUcLBfr93wDw==
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

2026-09-17T09:52:34.664111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086705
observed 37cea5949775ecad1513b6410481c6ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:34.646139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086705/manifest.json
observed 9daaf23562fb89921f9403a9a349f23a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:34.628818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086705/publication.md
observed 45d4e7b87222eef24c47089efb3aa0fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:34.609974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086705/publication.txt
observed fdc7bcc75fe4fb708711c0e18e497875...
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.