OpenTechnical

OT-2026-000077859

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000077859) never changes.

Identity and time

Publication numberOT-2026-000077859 · never reused
Internal UUID01a0ae95-2ed0-7e89-be34-ff5405aa22f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077859
StatusPUBLIC

Content hashes

Canonical text09b1d358d5105970bd7ab5bd48d1e381cf0732e7adbda119e34504b63f072a9a
Markdown7afb5341fb59b2f6c0ed72d88cc5dba438b50e339ffc12d502d08d60a88e31cd
PDF
Publication page759b827b11fc5becfc00f3220d1f1b5849ab397a833d9ab49192dbd3697b04e4
Manifesta18dd854a06a88379d248d09c8ded7582e9740ac9a9c00d94dc620e84f5ae3a9

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
Signature/pUCELamF5s4jwCM1qwI6x/mZpd6L1YYnm9ZNYMoN0WPwYAUBARnLE0UpC9E0aGTSrvDDUIilzJLIg+mkLDRAQ==
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

2026-09-17T10:07:36.048133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077859
observed 759b827b11fc5becfc00f3220d1f1b58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:36.030573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077859/manifest.json
observed a18dd854a06a88379d248d09c8ded758...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:36.012928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077859/publication.md
observed 7afb5341fb59b2f6c0ed72d88cc5dba4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:35.993231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077859/publication.txt
observed 09b1d358d5105970bd7ab5bd48d1e381...
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.