OpenTechnical

OT-2026-000005278

Publication integrity record

Porous face vacuum gripper, three stage ejector, pressure verified, contact triggered

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-2026-000005278) never changes.

Identity and time

Publication numberOT-2026-000005278 · never reused
Internal UUID01a0a933-ada5-7e01-8efd-cf2aba1a9be9 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:52:11.431855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005278
StatusPUBLIC

Content hashes

Canonical textcc2571e04b10bb715568e058917a9a960ae3dfd9d0f192b38fbacee059c136f3
Markdowna29d744e78c7a2386d14b667db272dad63121068a4d7c6cf870983c5e8756cd0
PDF
Publication page009fe7aec8979e87b542de5dcee337f07e945a711e0a2655648f89c041b1911f
Manifest7298b228702b1a342ac698bcbda28b7e5616e8e661dd39659df12889111a99c7

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
Signaturem0MiLMF8rlrv1tI6Gn2KBoC8O9Wp2ilMAGJlhqi3LUI6TH39WJ++b7AZqmuEvNvKG+PzimVGTtzf52Qp+P7OBQ==
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

2026-09-16T08:00:27.638341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005278
observed 009fe7aec8979e87b542de5dcee337f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:27.622919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005278/manifest.json
observed 7298b228702b1a342ac698bcbda28b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:27.485492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005278/publication.md
observed a29d744e78c7a2386d14b667db272dad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:27.472137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005278/publication.txt
observed cc2571e04b10bb715568e058917a9a96...
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.