OpenTechnical

OT-2026-000089105

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000089105) never changes.

Identity and time

Publication numberOT-2026-000089105 · never reused
Internal UUID01a0ae9b-daff-70f2-8c39-9db8083cfc1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089105
StatusPUBLIC

Content hashes

Canonical text903cbcd41904e75fd803f6b849fcbada649e21d5f607cdb8e293d15483a4e3bb
Markdownc5ce89157bb27ed0346d5d19f525fcdf9b0951f160296754b149b4dd3b540493
PDF
Publication page1e9880f9798e0ba926a019e42ac589508d37a82bca5344278a2ab48866bb4199
Manifestc8358ceb6215e85a0fae2dfabdd8902c652204163f3a09fa4940836e6b32776f

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
Signaturezx6XGoCluLvnnYjsWdHUTHSk3XJtxmymh9CHZ8UkBrcVYWY+Y/l9ZL15ugApm9AGvvUArKvjTQD0/n9fl3+IBQ==
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

2026-09-17T09:47:00.862632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089105
observed 1e9880f9798e0ba926a019e42ac58950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:00.845410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089105/manifest.json
observed c8358ceb6215e85a0fae2dfabdd8902c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:00.827357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089105/publication.md
observed c5ce89157bb27ed0346d5d19f525fcdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:00.809862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089105/publication.txt
observed 903cbcd41904e75fd803f6b849fcbada...
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.