OpenTechnical

OT-2026-000005475

Publication integrity record

Vacuum cup gripper, ejector fed, pressure verified at each zone, silicone cups, flat form

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-2026-000005475) never changes.

Identity and time

Publication numberOT-2026-000005475 · never reused
Internal UUID01a0a93a-2de1-7d95-92f2-c8df09bfede3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:59:17.476300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005475
StatusPUBLIC

Content hashes

Canonical textfaf582dacb15178132d0bcdaadb5119655ab2950e42985730922f5f56ed00405
Markdownd34226160dd60403cb560086374cd55f8d5454132fdcfecb9d91533567a8503d
PDF
Publication pageb781cb196125bea438dc6bcb353fe7434aa55d61f8f5f9f79074b23528c88202
Manifest1a2b53d948216186b9397297a44866fe9069a3502c774ffe93e76f3ac1480080

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
SignatureQbCym4YzHBZTzCTEFi2Et8iFZ2YUi0W9d1oAZQxBxMKaWtAwsGJDrMLiH+Ia0fuWrJ/dzH0QEea/FDJJeB5JCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:04.960124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005475
observed b781cb196125bea438dc6bcb353fe743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:04.944464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005475/manifest.json
observed 1a2b53d948216186b9397297a44866fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:04.928454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005475/publication.md
observed d34226160dd60403cb560086374cd55f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:04.910579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005475/publication.txt
observed faf582dacb15178132d0bcdaadb51196...
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.