OpenTechnical

OT-2026-000018134

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000018134) never changes.

Identity and time

Publication numberOT-2026-000018134 · never reused
Internal UUID01a0ae6e-b487-7932-915a-4794e50afc92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018134
StatusPUBLIC

Content hashes

Canonical texte6ffce0bb5d481e931df6ddbe36ee38a044e3d7aa972e26ea83706e97323570b
Markdowna29e848e7cfbdd0f12bac37b7a002e29daf88e9b46652d242848f21b36231518
PDF
Publication page8691948f2626ff0e7ef912830634e2be40fe3b47639602e93fbd37278e8c00af
Manifest4252c659e280f4186b5e7e84912c2e833de187e6ad092cf77c5ff2a2cb7f58b7

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
SignaturecBIMuhzY0PIG/xiwHXtCDOYozjAyywbRH2EYooE3Ny8K29z+ugTjDFC9xBE2sNAaZhcVotRxh/iDCNR58mvYBw==
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

2026-09-17T11:59:52.651518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018134
observed 8691948f2626ff0e7ef912830634e2be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:52.634139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018134/manifest.json
observed 4252c659e280f4186b5e7e84912c2e83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:52.616511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018134/publication.md
observed a29e848e7cfbdd0f12bac37b7a002e29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:52.599466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018134/publication.txt
observed e6ffce0bb5d481e931df6ddbe36ee38a...
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.