OpenTechnical

OT-2026-000050988

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000050988) never changes.

Identity and time

Publication numberOT-2026-000050988 · never reused
Internal UUID01a0ae82-c7b4-7add-ac7e-fb4733c2c92a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050988
StatusPUBLIC

Content hashes

Canonical text9c47a740dc338486ce56e71d3e6fc36622a521c5a5ae6c50c214b8a231086757
Markdowna1a2cd532edd7cbc5c2d6cc57d502242756e5ce78b5ca883813f4a2bd7fd0be5
PDF
Publication pageb6d6e185903b44eae517d0b5c9e3123224e183153384e43ae7e46fbc8990c629
Manifest0a046eca605a69687b2910a31ae6203358a5659e436dc57204baa903b7bb933b

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
SignatureR8rkGmG0XyTm2jJGA95Rwte+AXLPlSeOS1NsG6Gv/iDYYvoG0eVp1pv8NBk8ZzUA5FYZk+ksyKJZ9bMTgl9JAw==
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

2026-09-17T11:00:52.964771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050988
observed b6d6e185903b44eae517d0b5c9e31232...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.943625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050988/manifest.json
observed 0a046eca605a69687b2910a31ae62033...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.924366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050988/publication.md
observed a1a2cd532edd7cbc5c2d6cc57d502242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.903082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050988
observed b6d6e185903b44eae517d0b5c9e31232...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.896929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050988/publication.txt
observed 9c47a740dc338486ce56e71d3e6fc366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.879575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050988/manifest.json
observed 0a046eca605a69687b2910a31ae62033...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.856402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050988/publication.md
observed a1a2cd532edd7cbc5c2d6cc57d502242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.834390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050988/publication.txt
observed 9c47a740dc338486ce56e71d3e6fc366...
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.