OpenTechnical

OT-2026-000089019

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000089019) never changes.

Identity and time

Publication numberOT-2026-000089019 · never reused
Internal UUID01a0ae9b-8f12-7f1d-96c3-9dd64c4674cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089019
StatusPUBLIC

Content hashes

Canonical text9976fb4635913a94cfb74a7ec62ad8f0d429d796140db2fd0d9706fc1f15effd
Markdownb212c514de2988b27e98584a727d5575852af0dcca58b0b0011cf163fa8daf96
PDF
Publication pagec544fab25f72604608ca51bedd6075a5a5b827039f720ae0d4648b409034b178
Manifest2c0a09ddf243606ed14a49c308ada5d0355112df8f211b9476760950859eb7bd

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
SignatureU83xLpguuCb57PHpnHUFscW1+4DppKk34deyrbYAWj3RkxvoB/3JHMGUieOPau95lCaKHYQHAxQb/KD1SaWGBg==
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

2026-09-17T09:48:31.546822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089019
observed c544fab25f72604608ca51bedd6075a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:31.527624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089019/manifest.json
observed 2c0a09ddf243606ed14a49c308ada5d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:31.510241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089019/publication.md
observed b212c514de2988b27e98584a727d5575...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:31.491931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089019/publication.txt
observed 9976fb4635913a94cfb74a7ec62ad8f0...
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.