OpenTechnical

OT-2026-000005865

Publication integrity record

Porous face vacuum gripper, plant vacuum fed, pressure verified, vented before set down, open 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-2026-000005865) never changes.

Identity and time

Publication numberOT-2026-000005865 · never reused
Internal UUID01a0a947-7541-7e37-bfe0-b9a4f1e855e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:13:47.715853Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005865
StatusPUBLIC

Content hashes

Canonical text79b5b0500495f7cc7e47e76f34bb9cd3cc791d80436b199ee9be94f0b393a704
Markdownd8ff211a5fbfa5c96035a590fdda1d726977cd934b99048b6f7f35ad675c4f91
PDF
Publication page3cb1658929aba56471ace61f6e3c92651742cd721f230bb84e1238749b7d0b73
Manifest013cfabfd302cb6d85bc9f560687e45009fb02b5207f421440f31aacb9d68e86

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
Signature5K6gyUNuqEse5wvksgAPZtmX96EFjeyUNJhsvohkRs0toxSGP8WB37fJnfXkMERbL/W9EDIuEfNDXyRAgfVJDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:23.931334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005865
observed 3cb1658929aba56471ace61f6e3c9265...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:23.918003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005865/manifest.json
observed 013cfabfd302cb6d85bc9f560687e450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:23.903641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005865/publication.md
observed d8ff211a5fbfa5c96035a590fdda1d72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:23.889701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005865/publication.txt
observed 79b5b0500495f7cc7e47e76f34bb9cd3...
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.