OpenTechnical

OT-2026-000103802

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, 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-2026-000103802) never changes.

Identity and time

Publication numberOT-2026-000103802 · never reused
Internal UUID01a0aea4-e463-759e-b8d7-43449ca4f3ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103802
StatusPUBLIC

Content hashes

Canonical text499f733793704d2897dce149483eff86998aa45a7ad8188e57419dae7980f776
Markdownc1386becc429e67153d7629e15c96a3485f1c17386be408d4433cd43ca10967a
PDF
Publication page509760c77116f380e571e1379aa3a89968d7ada5ffa17e28a955a5416e8661fd
Manifestb0459d9d45dcde1d7b235196a4b47ed3e1301d3ac29d53ac273b54e6427bf23d

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
Signature3UhDX6pJgXYAYCqcmGeLK7SFH8wK1puQqauE73rIvRgFd1g1bCwxTJZEcoXcnmX7u+kH+QFpZwsKQjVsrTCZDQ==
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

2026-09-17T09:22:45.439528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103802
observed 509760c77116f380e571e1379aa3a899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:45.422545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103802/manifest.json
observed b0459d9d45dcde1d7b235196a4b47ed3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:45.404615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103802/publication.md
observed c1386becc429e67153d7629e15c96a34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:45.387438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103802/publication.txt
observed 499f733793704d2897dce149483eff86...
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.