OpenTechnical

OT-2026-000007068

Publication integrity record

Porous face vacuum gripper, per zone isolation, three stage ejector, contact triggered, closed cell

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-2026-000007068) never changes.

Identity and time

Publication numberOT-2026-000007068 · never reused
Internal UUID01a0a971-7647-7d5d-8fa8-86d874c31d40 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:59:40.489868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007068
StatusPUBLIC

Content hashes

Canonical text236283f1d74ea02099acc9eed381ac7b168de79c374c450810c87d9341f740da
Markdownab7ab8f85c14279ebe61d704c4b138475206d45baf926f0d4e65258ec1cb4dd5
PDF
Publication page8ff8826898b3db9d03a95690987ce1a042e4140fe2910522c1ad20e196cc638c
Manifest6e566ad6b5fcdec28e7f0512e2c79ef429296311af06c5eb413a25069c9a29b8

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
SignatureCFLTw1EqYgmJsLSyXTjV8znizynucOU7NqLfs2XH/rBwhyYpcrjSwYOyXw+mH0cRa59upaFg70oHDsqLPE2nBQ==
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

2026-09-16T09:00:05.182352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007068
observed 8ff8826898b3db9d03a95690987ce1a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:05.160527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007068/manifest.json
observed 6e566ad6b5fcdec28e7f0512e2c79ef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:05.147734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007068/publication.md
observed ab7ab8f85c14279ebe61d704c4b13847...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:05.130346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007068/publication.txt
observed 236283f1d74ea02099acc9eed381ac7b...
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.