OpenTechnical

OT-2026-000006606

Publication integrity record

Porous face vacuum gripper, four zone face, ejector fed, pressure verified, 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-2026-000006606) never changes.

Identity and time

Publication numberOT-2026-000006606 · never reused
Internal UUID01a0a961-216b-728a-8d80-e866c0caebb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:41:50.190501Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006606
StatusPUBLIC

Content hashes

Canonical text36b7236ccea99f4f60b651c3a11b6a668e10655825986feacb6b6ac2f2256e1c
Markdowndd54e208d306828254e6adb76bda631170d0ec0da6b1384944136903d6e950b3
PDF
Publication page5e3122431587188f3c41b65055301ffafa96a00f560bfc37e97376dcf19044f9
Manifest440abeee1c4ec257102aee777651ba613c1872163b3939cded898c70b8bbf4cf

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
SignatureX2X9wY6SEZlObSTW+naffcj/L6WfHqg7rwzj6wfUuFxNsA8U8qNYwlI4ieonMEyBoVE/ve+nSOVl4tkm3rCbCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:25.959117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006606
observed 5e3122431587188f3c41b65055301ffa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:25.944908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006606/manifest.json
observed 440abeee1c4ec257102aee777651ba61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:25.931306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006606/publication.md
observed dd54e208d306828254e6adb76bda6311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:25.917732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006606/publication.txt
observed 36b7236ccea99f4f60b651c3a11b6a66...
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.