OpenTechnical

OT-2026-000072148

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000072148) never changes.

Identity and time

Publication numberOT-2026-000072148 · never reused
Internal UUID01a0ae92-47c2-7de2-82a1-8f3fab5b586d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072148
StatusPUBLIC

Content hashes

Canonical text377c1b33ced83794ce7bfa39c45123f34d57edc3624ba3c82345ac4ccfca5ce8
Markdown6e6faf453e449f28ee5a2b8cdc7ea6910a00e2ca89cce88f43dd7b7334b9dc2c
PDF
Publication page5eae053aa93a36e60f59b4c784e07f4d040a7c12848c524383ca68a60a25c088
Manifest12ebe69742736018be8b48601a17d5d4e9fd3b69fdc5ca061f4675f357a2bfb7

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
Signature5pMYdnQc0J22uUOyIIfPWImV83QIR3QTVuqfTfmij4r3zqPaTQeGA1dS/KDuRI/9lXeWLkom0j/NhUmFpFAtDg==
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

2026-09-17T10:23:14.729964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072148
observed 5eae053aa93a36e60f59b4c784e07f4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:14.714586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072148/manifest.json
observed 12ebe69742736018be8b48601a17d5d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:14.698749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072148/publication.md
observed 6e6faf453e449f28ee5a2b8cdc7ea691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:14.682462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072148/publication.txt
observed 377c1b33ced83794ce7bfa39c45123f3...
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.