OpenTechnical

OT-2026-000050069

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after set-down

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-2026-000050069) never changes.

Identity and time

Publication numberOT-2026-000050069 · never reused
Internal UUID01a0ae81-fd78-7b84-af88-4c55c1864392 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050069
StatusPUBLIC

Content hashes

Canonical textbaaefbfbc44b2b688ba2eebb6d6542d951d9748302234b5fe099dfb406873b42
Markdown28973a620366377313ce423deae29a4d6717e734bb380e88bf8c03f3f5272bfe
PDF
Publication page6e6f4441dd6e3f4fbd97bf223c3e308cdfb7133458cb99952eb1fabcafe83925
Manifestb465dfbe3d5c9061ecfd8c32b7d6170d0f2bb506745a15e4a10fe28c85d44a7f

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
Signature+Wc8AjshRfWrAK0lCYGHmRpgsDmD8eLZAh8TZYnwY6OxHPvKumDL71hPyHmGzcOoJNquOkJ9IOXHxae52rWGAw==
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

2026-09-17T11:02:03.310390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050069
observed 6e6f4441dd6e3f4fbd97bf223c3e308c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:03.290596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050069/manifest.json
observed b465dfbe3d5c9061ecfd8c32b7d6170d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:03.271090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050069/publication.md
observed 28973a620366377313ce423deae29a4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:03.247310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050069/publication.txt
observed baaefbfbc44b2b688ba2eebb6d6542d9...
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.