OpenTechnical

OT-2026-000027854

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000027854) never changes.

Identity and time

Publication numberOT-2026-000027854 · never reused
Internal UUID01a0ae72-a4a5-7580-b261-2abd1e5dccbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027854
StatusPUBLIC

Content hashes

Canonical textfef79da8246f63ba09946a8e04dedd3754c23b626099de70e2d0b478e8f81a5f
Markdowne44f96ad48f3e01fe24ec962d2943826cb12ea7c52b603720806e71a7b32fe51
PDF
Publication pagea60b51d22ced85a6c0dbd9c368b36b7a00c15b3ca9cbca5e5d31dee01211a04c
Manifestcc92eb09b2f87ab67e059784bd6d0ec03726c7349280a3c840363c49ac6c2c66

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
SignatureWiCDYT2FXjTJ680Mj/qFyubYkA/1khuBMVJH0xRR26Rbb8lTe91o42mv88mS2gqWoHSrEBLiFATLsCcz2D/lAA==
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

2026-09-17T11:41:54.722657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027854
observed a60b51d22ced85a6c0dbd9c368b36b7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:54.703086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027854/manifest.json
observed cc92eb09b2f87ab67e059784bd6d0ec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:54.686706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027854/publication.md
observed e44f96ad48f3e01fe24ec962d2943826...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:54.670505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027854/publication.txt
observed fef79da8246f63ba09946a8e04dedd37...
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.