OpenTechnical

OT-2026-000005334

Publication integrity record

Porous face vacuum gripper, six outlet manifold, three stage ejector

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-2026-000005334) never changes.

Identity and time

Publication numberOT-2026-000005334 · never reused
Internal UUID01a0a935-c6e6-7f50-9142-a4ffb7f708ad · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:54:28.969476Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005334
StatusPUBLIC

Content hashes

Canonical textd9d7cf4686d55f9f98b7dd7eaaf9b7c86ae79a857cef7d7b090d82334a7e1302
Markdownc808962394b616baa032bba9a97bd04134da46be8925ad14e7ca2ca0ec257874
PDF
Publication page79022395b1d003f33b810251b11fe3cddb13e4d82c4b1830dc02cc6741b01810
Manifest3205880f1d7574b8d2bf8f8d797a54ab7133fa4c73b584310b0d47eb9ce2bf18

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
SignatureZxuTWY7wGwGrtf6f4VaYyKNH2strgCua3CNKycXCGP+3mZ+oIoz+yDoe9W+5heevE0e9PLKuA49vhLTSs7iCBw==
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

2026-09-16T08:00:21.418384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005334
observed 79022395b1d003f33b810251b11fe3cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:21.403186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005334/manifest.json
observed 3205880f1d7574b8d2bf8f8d797a54ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:21.388294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005334/publication.md
observed c808962394b616baa032bba9a97bd041...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:21.374186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005334/publication.txt
observed d9d7cf4686d55f9f98b7dd7eaaf9b7c8...
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.