OpenTechnical

OT-2026-000083573

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, 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-2026-000083573) never changes.

Identity and time

Publication numberOT-2026-000083573 · never reused
Internal UUID01a0ae98-0415-7312-ab36-310dd18b88f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083573
StatusPUBLIC

Content hashes

Canonical text584360a5b6a1fd835ec0dc3bb698894a0616b19b842921153b32353e9b0ed4aa
Markdownaaaa55f7da4191ffbbc1187ff5cf840a3fdd42d038a5686df53798cc5dcf644a
PDF
Publication page43e2e32bdb5d23c23c3de987f3d885762065929111577cb5ccfa3ff7d6f453fc
Manifest71cd064b9074970f78f7e230ab4d995ea29647a73a92202245ecf4ce7e225382

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
SignatureiHe+xfwyQaJUf245+JwzwJzwboxtmCRGG7E+HkbGkDwMMfDJP0AW8YKFbutcOi1w1/hMLSz2DFNGwTuW61ZjDg==
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

2026-09-17T09:57:03.728099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083573
observed 43e2e32bdb5d23c23c3de987f3d88576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:03.712588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083573/manifest.json
observed 71cd064b9074970f78f7e230ab4d995e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:03.694286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083573/publication.md
observed aaaa55f7da4191ffbbc1187ff5cf840a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:03.676883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083573/publication.txt
observed 584360a5b6a1fd835ec0dc3bb698894a...
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.