OpenTechnical

OT-2026-000007192

Publication integrity record

Vacuum cup gripper, four zone face, common isolation valve, three stage ejector, rubber cups

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-2026-000007192) never changes.

Identity and time

Publication numberOT-2026-000007192 · never reused
Internal UUID01a0a976-0347-7ab9-8410-b76e39f2afc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:04:38.731129Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007192
StatusPUBLIC

Content hashes

Canonical textca5efdced701a02caa2196e0b9bd3de808ea4ec30e7c9492121b964fb2420531
Markdown2df07b09d920d5bebcfc35b7b0ad2a9495d2bf48faea11a3dd6023eb00f9cb2d
PDF
Publication page37c9feca3a69c4e301b58cb269c538bbc739d34eb83ffc193fca4bb9f85415f2
Manifestc127decabe3d3f34ad59a5c91938a7d498543020f8ebea0cb21a910f954bd5ec

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
SignatureIY4BhzKax2ngcjiRFUE5ZKOaqmbWs/e3q79/QLo9VUZLxBFklgdTq4sbtej8+7cLYODibF134tVnjQNxuSJmCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:17.425443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007192
observed 37c9feca3a69c4e301b58cb269c538bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:17.413982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007192/manifest.json
observed c127decabe3d3f34ad59a5c91938a7d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:17.401673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007192/publication.md
observed 2df07b09d920d5bebcfc35b7b0ad2a94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:17.389470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007192/publication.txt
observed ca5efdced701a02caa2196e0b9bd3de8...
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.