OpenTechnical

OT-2026-000053087

Publication integrity record

Foam pad vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, pulsed 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-2026-000053087) never changes.

Identity and time

Publication numberOT-2026-000053087 · never reused
Internal UUID01a0ae84-a431-7812-9d5f-1924550b7c72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053087
StatusPUBLIC

Content hashes

Canonical texte8af8e44ba3efb73f3f3b70849172b3e6de454cb4f3c0c9fe1f2db7bb6a5ff89
Markdown6b6f6818e127f1f4d6ba4b1ce2408cacf0dd3af1c5c1722214189f1f51418299
PDF
Publication page2a3155973d58f5f434aa4d0255664c683e26964439621ddb1aca2aed468901cd
Manifest3c7b3358ce70fa82e3c1282a4eba38bc35337f541912143b2d43da16e6dcdf98

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
SignatureVjVlJLiB7+cL2kfX8wEXyTCn7PqKfMpkf/u3BtG0G5s91Fu09qHXWQbgPxTpHy0//t2cs7EE381DWjYTdIsHCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:48.459063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053087
observed 2a3155973d58f5f434aa4d0255664c68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:48.440103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053087/manifest.json
observed 3c7b3358ce70fa82e3c1282a4eba38bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:48.419825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053087/publication.md
observed 6b6f6818e127f1f4d6ba4b1ce2408cac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:48.400957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053087/publication.txt
observed e8af8e44ba3efb73f3f3b70849172b3e...
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.