OpenTechnical

OT-2026-000082772

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, vented after 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-2026-000082772) never changes.

Identity and time

Publication numberOT-2026-000082772 · never reused
Internal UUID01a0ae97-8cc9-7788-8959-dc3380287e65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082772
StatusPUBLIC

Content hashes

Canonical textd7c590fbd53f687230bbd5124c58b11f79409faaca1b083650bfab1ec880a1f7
Markdown9f3cd9a0704c18eebf30a6dfed0b7342ec8ad77dd8994c121350095d5ad3a129
PDF
Publication pageefb2cba06594a37b284cb602712e10a04890dbed6e673acc5eb31a6d040f73c6
Manifest4787edeb184ec6f7a8dd361fed6675dcad10cd757e052a9f832a47d9fa9e7870

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
SignatureIygRnryQh+J8ezxkiPJHLjacwyBmZdFdDwVAS0ctsHHlGTc0UArS/vfjXnSSpRf5EGxPKyu1VJLWoNOIUA2PDA==
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

2026-09-17T09:58:21.555896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082772
observed efb2cba06594a37b284cb602712e10a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:21.539716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082772/manifest.json
observed 4787edeb184ec6f7a8dd361fed6675dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:21.523271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082772/publication.md
observed 9f3cd9a0704c18eebf30a6dfed0b7342...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:21.507141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082772/publication.txt
observed d7c590fbd53f687230bbd5124c58b11f...
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.