OpenTechnical

OT-2026-000089018

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000089018) never changes.

Identity and time

Publication numberOT-2026-000089018 · never reused
Internal UUID01a0ae9b-8f12-741d-8e59-a1cd6ebc3204 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089018
StatusPUBLIC

Content hashes

Canonical text6ad867e3327aaee98ff06c2027c157fc3b226cb95c0f54c8a62ac70f62e838a2
Markdown4480f6686e34552f4d0ede15671007e1b3d3e081eab534738c3b2de35ae92016
PDF
Publication page8beb8d775798f4a5efd62c2620a5a43502f5cfbe394610ad6a7662dcc24bf412
Manifest16ae83985ff31ec65f0eefec7a3011e7ca6ec35400761db1618c807ffaa1b665

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
SignaturekUswU9Toa7xQ6sTCeRc20sjH0pYUKjvJKDqiHIfNFBh05lG/ttpLLkiotC/SnmBH9Cm9/0UHreL8lQamJ1nMBg==
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

2026-09-17T09:48:31.471421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089018
observed 8beb8d775798f4a5efd62c2620a5a435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:31.453287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089018/manifest.json
observed 16ae83985ff31ec65f0eefec7a3011e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:31.434455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089018/publication.md
observed 4480f6686e34552f4d0ede15671007e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:31.416413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089018/publication.txt
observed 6ad867e3327aaee98ff06c2027c157fc...
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.