OpenTechnical

OT-2026-000026168

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000026168) never changes.

Identity and time

Publication numberOT-2026-000026168 · never reused
Internal UUID01a0ae71-a841-705c-8b15-32d629204e13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026168
StatusPUBLIC

Content hashes

Canonical text37f6c43c91ce03a3dc5a8fb8ca44b8f34c576f809ed18bbd94bcb8cb786612fd
Markdownb303e436f47f8f63ebf440d29a5d645abab6809f3ca7d87e0480cf2a4784c6d0
PDF
Publication paged7b0ae6e7a710757660d3bc4f3ffbd034ee51febd032e18ad195e8a2b8401894
Manifestb7d6861fe4b36a0cafcd6e5fcf107c6e9ca356fd7b33988fe1fc3b260aec7bbc

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
SignatureIqaNdzj9d9HwgbCr993ed5ljOscHpgKSbnqgkvXFtysOoJ8XWxQtbjbGZl9MCPO1EASB/pXpRoUoTJJERncNCg==
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

2026-09-17T11:46:40.763477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026168
observed d7b0ae6e7a710757660d3bc4f3ffbd03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:40.743371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026168/manifest.json
observed b7d6861fe4b36a0cafcd6e5fcf107c6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:40.723242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026168/publication.md
observed b303e436f47f8f63ebf440d29a5d645a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:40.704168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026168/publication.txt
observed 37f6c43c91ce03a3dc5a8fb8ca44b8f3...
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.