OpenTechnical

OT-2026-000104082

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, pulsed blow-off after 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-2026-000104082) never changes.

Identity and time

Publication numberOT-2026-000104082 · never reused
Internal UUID01a0aea5-341f-7bf3-a94e-2a07bb85a44a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104082
StatusPUBLIC

Content hashes

Canonical text2bedcf6ee0c57710359c087c8cb9b93b0fdfa3ccbd031d25686cd0135baad286
Markdown51bfe8f780b187c5623ff61bdf296eb54d8ce0587e14b49e7ba21f88a8d5c8b6
PDF
Publication page531c4ac95baa5b7cd109434f3926c01dc83e78854f4f1b91d87b4d6649ebbe4a
Manifest0927cc60aa616f405c7e7526fb9f34958d74b147eccd9072e8a5024e086400a3

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
SignatureMGDjeeXazlCOioGj+JwlWkugK3M2zm5OCTIlw/ng/owuB1+ciBls9Ul2p+i+ddLg6QtuZwaeSV3NUrWdJO00DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:09.024159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104082
observed 531c4ac95baa5b7cd109434f3926c01d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.007701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104082/manifest.json
observed 0927cc60aa616f405c7e7526fb9f3495...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:08.990869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104082/publication.md
observed 51bfe8f780b187c5623ff61bdf296eb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:08.973900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104082/publication.txt
observed 2bedcf6ee0c57710359c087c8cb9b93b...
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.