OpenTechnical

OT-2026-000069361

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000069361) never changes.

Identity and time

Publication numberOT-2026-000069361 · never reused
Internal UUID01a0ae90-b529-76e9-8ed1-64c770878516 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069361
StatusPUBLIC

Content hashes

Canonical text42936f1710def237343a2031c760fbada6c024597e0c8993454439a482b0972c
Markdown1257e1297effea4c77732bd3006775eb798015ea498cda71e859959820b3157a
PDF
Publication pagea4bebe899feecde99a231907915e7b978504ead47535538b8b3b7bfa1569a117
Manifest9f95569e3f78992ad419048ce95aed5c1519b164ae04499c2e808b6545cea3ca

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
SignatureHo1mWdSg1SegwuOF5uQZlNxUu3yX3xPyTCUBCjjywYMPU60Xp/Qii9gCm45NoPBEiZOMQK5965MNzu9P/+lxDQ==
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

2026-09-17T10:30:16.762496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069361
observed a4bebe899feecde99a231907915e7b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:16.742351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069361/manifest.json
observed 9f95569e3f78992ad419048ce95aed5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:16.725595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069361/publication.md
observed 1257e1297effea4c77732bd3006775eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:16.704772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069361/publication.txt
observed 42936f1710def237343a2031c760fbad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:57.448612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069361
observed a4bebe899feecde99a231907915e7b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:57.428269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069361/manifest.json
observed 9f95569e3f78992ad419048ce95aed5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:57.410898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069361/publication.md
observed 1257e1297effea4c77732bd3006775eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:57.391575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069361/publication.txt
observed 42936f1710def237343a2031c760fbad...
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.