OpenTechnical

OT-2026-000090664

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000090664) never changes.

Identity and time

Publication numberOT-2026-000090664 · never reused
Internal UUID01a0ae9c-7f30-7c33-b269-97b4e6da317b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090664
StatusPUBLIC

Content hashes

Canonical text03980eccaf34dd535c016157f3c609ad916d02d84c1d5b45b5f559d1a581c342
Markdown8836d4d6cc7d8dd741cfcc6407b67ce16a1c47d6ea46f7e48f496344a447c77e
PDF
Publication page1fe33001d598aebccf4a821aad82478e4ed969a70e9286630449057547da1710
Manifestb1d5725c847b7b964253e1c46231c3cd89f9201b8a6cb2d6aa646386b6aca4a8

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
SignatureWbwPkCvp/tTnJU+k+HIJPd7XR4Mt9jhfpy3dyfPd6aZmJMJ1jt7CHIm61L0w0UsWva99KxhdfsMgAfPghB7CCQ==
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

2026-09-17T09:44:51.460272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090664
observed 1fe33001d598aebccf4a821aad82478e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:51.439416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090664/manifest.json
observed b1d5725c847b7b964253e1c46231c3cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:51.419894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090664/publication.md
observed 8836d4d6cc7d8dd741cfcc6407b67ce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:51.402670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090664/publication.txt
observed 03980eccaf34dd535c016157f3c609ad...
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.