OpenTechnical

OT-2026-000089690

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089690) never changes.

Identity and time

Publication numberOT-2026-000089690 · never reused
Internal UUID01a0ae9c-1a22-7825-abf0-210bd7c91a42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089690
StatusPUBLIC

Content hashes

Canonical text6b533f0866c821e2281ac615668e6da6515333c422bfe8da2f034b6cd52775e1
Markdown4e2502bc7d57b9a1e0cf5093dd2de999a1a2859d1378051e4f86ae36743b953f
PDF
Publication page29caf2305e8b4e016e817b3cb23ed124fc08fbc0fe682489a731d092aa491e26
Manifest8cc97dc0352ae7abaa5d44f2bf9d2513cb3049fbf0ec0e98c1545598d71d5545

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
SignatureBOJ7WwgknIAVzCY9k0xcgZXNXfEthiXGIIYzQx8w5hMtKcCykDLiD/u/YNNYQxj8t8Nu04eF0iRJ7yA+RS7gDg==
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

2026-09-17T09:46:41.343925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089690
observed 29caf2305e8b4e016e817b3cb23ed124...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.327577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089690/manifest.json
observed 8cc97dc0352ae7abaa5d44f2bf9d2513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.310555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089690/publication.md
observed 4e2502bc7d57b9a1e0cf5093dd2de999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.294215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089690/publication.txt
observed 6b533f0866c821e2281ac615668e6da6...
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.