OpenTechnical

OT-2026-000050758

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, vented 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-2026-000050758) never changes.

Identity and time

Publication numberOT-2026-000050758 · never reused
Internal UUID01a0ae82-c7b1-7c5c-ab41-75a66affe6e8 · 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-2026-000050758
StatusPUBLIC

Content hashes

Canonical textc2e97ecd6e876cd87461c293be22f4c47c10a217aff5b7c7ffad2def0d2b9d0d
Markdownd404069538c8113b0d6c61bb5549f8b2374b4b0a33a6aecee7f40ed95ba47593
PDF
Publication page2c4281ae8f24ccb6810c9126ee025d33d9da36bd18bdc279e82638c0f532c584
Manifest38aef184ab4026008572599bd53f89f27f305d7e1fb99ec1a5d639fd1a15e25b

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
Signature9qDRDmWlB1ubXeZecYZ9x0F2Cc0JpzfvkjaT86Xo1t8EIbpKUEJ1TAYbcFusZ1sJt2EP+4RMpqA4U1c7bNZDDA==
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

2026-09-17T11:00:08.808488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050758
observed 2c4281ae8f24ccb6810c9126ee025d33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.784881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050758
observed 2c4281ae8f24ccb6810c9126ee025d33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.783863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050758/manifest.json
observed 38aef184ab4026008572599bd53f89f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.755771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050758/manifest.json
observed 38aef184ab4026008572599bd53f89f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.753420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050758/publication.md
observed d404069538c8113b0d6c61bb5549f8b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.730710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050758/publication.txt
observed c2e97ecd6e876cd87461c293be22f4c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.730075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050758/publication.md
observed d404069538c8113b0d6c61bb5549f8b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.693608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050758/publication.txt
observed c2e97ecd6e876cd87461c293be22f4c4...
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.