OpenTechnical

OT-2026-000070604

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, vented 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-2026-000070604) never changes.

Identity and time

Publication numberOT-2026-000070604 · never reused
Internal UUID01a0ae91-5460-71ed-ad65-b7cf43c4db9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070604
StatusPUBLIC

Content hashes

Canonical text490f81332dab4a548a3965f079582f7ef3818efbc8da33793bb8e7019acd3ce9
Markdown37ebbdc77d0dcdebf958200b8f1ce54473684e52244b17af08e5ecad1e25bc60
PDF
Publication page322d609aad269e770c2308bb8783fe13d34ac96a85403d4da692d63dadd5adb7
Manifest898469f47c27c041921e6fe95bfca486d37cd2ce26820861c7f0839e083659eb

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
SignatureOoymWZGmNHyt9IFH2b2+HL3NuTKRyYtWG+CPhRKHugw7RK6qa1OLxYJqk923TghA/hV8MucBlQG1F9s2Zin6DQ==
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

2026-09-17T10:26:27.760649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070604
observed 322d609aad269e770c2308bb8783fe13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:27.744384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070604/manifest.json
observed 898469f47c27c041921e6fe95bfca486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:27.726043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070604/publication.md
observed 37ebbdc77d0dcdebf958200b8f1ce544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:27.709237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070604/publication.txt
observed 490f81332dab4a548a3965f079582f7e...
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.