OpenTechnical

OT-2026-000025146

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000025146) never changes.

Identity and time

Publication numberOT-2026-000025146 · never reused
Internal UUID01a0ae71-5fa5-7836-b0aa-23180a773256 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025146
StatusPUBLIC

Content hashes

Canonical text57ecd8aa07e25b9b3e09809a8c2437915f6ce07f6b436dfde175bd2039f2c399
Markdown418cf44998667c37e814b7cfbd0e7329124af6f2ccdcbded492ae0f0094c47b1
PDF
Publication paged854f468a825a0fdf6cd2795fa833b7c10d29883bd3e1cdaa95457648f7f76a6
Manifest8d850b485b9ac73c0919cb0553c462a5564cbb8c0f61cb22523be5f0058d9325

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
SignaturecjEh751CrCSFeAY7wWzetsSY3OfwdLd5bpXIPoXHNELK/pYqOkyuS3CrY97qxT2LrwSsoJWrnI4lLeONPZyODA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:47:01.865511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025146
observed d854f468a825a0fdf6cd2795fa833b7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:01.846829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025146/manifest.json
observed 8d850b485b9ac73c0919cb0553c462a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:01.827180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025146/publication.md
observed 418cf44998667c37e814b7cfbd0e7329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:01.808832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025146/publication.txt
observed 57ecd8aa07e25b9b3e09809a8c243791...
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.