OpenTechnical

OT-2026-000089529

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold 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-2026-000089529) never changes.

Identity and time

Publication numberOT-2026-000089529 · never reused
Internal UUID01a0ae9b-db02-7fe1-8db8-bfed808d9f1f · 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-2026-000089529
StatusPUBLIC

Content hashes

Canonical text9a94e84e7fde7f330dd44e0653a4c733a5f30767d9c59344198f330e0ee606c1
Markdowne19fa2cc5ea993e83823de85c1e40fccf0687bd2d31fb9af92eeefd1df73f934
PDF
Publication page8792cd8858f1072507a9a63edc14ff0191f538c063bf0a5e5c3bdaac1ce845f8
Manifest7cf99c5a5fba597a68def249811cab5545f8efeea3ea81c71ec0982e0bec8d5c

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
SignatureORfYHWNFJKKGeIb2XJ+XVwzPlBU4J1Nwtvm2qLS6LoxgtgNMIZBIyYMdkekxBOqwRREcfk/Yl1gpEjFtpzhwCw==
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

2026-09-17T09:47:41.382944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089529
observed 8792cd8858f1072507a9a63edc14ff01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:41.365804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089529/manifest.json
observed 7cf99c5a5fba597a68def249811cab55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:41.348679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089529/publication.md
observed e19fa2cc5ea993e83823de85c1e40fcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:41.329881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089529/publication.txt
observed 9a94e84e7fde7f330dd44e0653a4c733...
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.