OpenTechnical

OT-2026-000069289

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000069289) never changes.

Identity and time

Publication numberOT-2026-000069289 · never reused
Internal UUID01a0ae90-b528-75d1-936f-7f373156ab28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069289
StatusPUBLIC

Content hashes

Canonical text8ade1c928a626ecacc1c075db9248f65da29372ecd5bcc9add85280e1bda5ed2
Markdownfc642a76753341f2cc9629926f67a14e6201dcc14a14fe0845797c491d88f893
PDF
Publication pagec4d5a8f5aa2a14ec2f86f1e3dc3f6c2dba54696d89fc7520657e5e622c3b961d
Manifest4aef2a4edbf9dcd9f1a397bf1d94bc318ad93e2d82847ef0cc809bfa37585b1d

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
Signaturel/PCy+f2ZP8AYh+sHQKhP2ERaeHJDYH4eIEMVZN+2NkjhtT3ano4EBUk8RAG+cVok1YyR5fA0WrpUNvm4sEzDg==
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

2026-09-17T10:30:02.481198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069289
observed c4d5a8f5aa2a14ec2f86f1e3dc3f6c2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:02.462029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069289/manifest.json
observed 4aef2a4edbf9dcd9f1a397bf1d94bc31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:02.413544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069289/publication.md
observed fc642a76753341f2cc9629926f67a14e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:02.335582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069289/publication.txt
observed 8ade1c928a626ecacc1c075db9248f65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:51.360808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069289
observed c4d5a8f5aa2a14ec2f86f1e3dc3f6c2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:51.343274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069289/manifest.json
observed 4aef2a4edbf9dcd9f1a397bf1d94bc31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:51.324706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069289/publication.md
observed fc642a76753341f2cc9629926f67a14e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:51.268469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069289/publication.txt
observed 8ade1c928a626ecacc1c075db9248f65...
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.