OpenTechnical

OT-2026-000005484

Publication integrity record

Vacuum cup gripper, three zone face, ejector fed, contact triggered, polyurethane cups, oval form

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-2026-000005484) never changes.

Identity and time

Publication numberOT-2026-000005484 · never reused
Internal UUID01a0a93a-7609-7a2e-a9ae-ca6d0c07f809 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:59:35.948122Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005484
StatusPUBLIC

Content hashes

Canonical text83ab2df196e701f31066f8ab4f2ea13f4d221f590b365fdf1417c5a6e8bf536a
Markdownf777e4e89f191d3026a02e7eebc7ec8d3cb80531c078af1acb32ddcee61c0141
PDF
Publication page35a3ee51941480b3e51dc33515b683d79abe68415154a686ffa448cbd67e4017
Manifestd6dc95181ab24de9d7c9dba072f3fea0318575c3bea3172fa24672affbf3c956

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
Signaturertt3Jm00tmBkl0NoWiqvfWkOmcR2BXAasNw59lDunkTBIKdT0iHMby+HzzLZVOyIlJN3aD2ma3BlkGZ3LTisAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:03.745209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005484
observed 35a3ee51941480b3e51dc33515b683d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:03.730551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005484/manifest.json
observed d6dc95181ab24de9d7c9dba072f3fea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:03.716953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005484/publication.md
observed f777e4e89f191d3026a02e7eebc7ec8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:03.703463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005484/publication.txt
observed 83ab2df196e701f31066f8ab4f2ea13f...
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.