OpenTechnical

OT-2026-000066869

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000066869) never changes.

Identity and time

Publication numberOT-2026-000066869 · never reused
Internal UUID01a0ae8e-ce43-76ea-998d-d15164c45d45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066869
StatusPUBLIC

Content hashes

Canonical text6721ef8415cc6ce2bcd1f6f19dcf3c7590c0c6278588cf748b312f50963e5de2
Markdownfa543a931fdcd8816638d19b983ca7ec90e60e741f9bb9dbaa1a7db3fad2744a
PDF
Publication page995cab4055483b1338b2c4cb47e9336809277c8edea3a549cda71da471ae167c
Manifestac2059c77b63fd4c7fc7a5bfed6a48543589e65d4848461017f3a53525560881

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
SignaturefP+RWgP0SUGo/lQdR4HgNbNQBnh9ANRMD42XK9pJOnjHV1JPkNhL/97y0bueifrZGrAkZWxGmVTR9qDdl5r4BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:33:18.794214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066869
observed 995cab4055483b1338b2c4cb47e93368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:18.776022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066869/manifest.json
observed ac2059c77b63fd4c7fc7a5bfed6a4854...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:18.757355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066869/publication.md
observed fa543a931fdcd8816638d19b983ca7ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:18.740472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066869/publication.txt
observed 6721ef8415cc6ce2bcd1f6f19dcf3c75...
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.