OpenTechnical

OT-2026-000078987

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, 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-2026-000078987) never changes.

Identity and time

Publication numberOT-2026-000078987 · never reused
Internal UUID01a0ae95-ccbe-7540-b66c-e9aae5c03c74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078987
StatusPUBLIC

Content hashes

Canonical text098d0a8c81f67e30d714b517a37303022567509b1a133e0311f2af385152f3f9
Markdown69ff6d6a6b2fb53937c987afffd7977a8b525b9da64c352307d036a9fe8a9fec
PDF
Publication page089a8d124f62dc37c8faf8e5ab3a522035bcd3baf2bd319651dccfc69cc0a104
Manifestee29b08fa8deca191bd5b173c319b38e3175a855ba75af65009cb269c1b60b7e

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
Signatured8hia2Etr0MghEsrXsT1XcNcPMCgr9FaI2y2RHgc0a/dGD0GkUuMJAn4XOQT5XmpDwGfX1QIImWkTraP+xU1Dw==
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

2026-09-17T10:05:48.976556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078987
observed 089a8d124f62dc37c8faf8e5ab3a5220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:48.957111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078987/manifest.json
observed ee29b08fa8deca191bd5b173c319b38e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:48.934938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078987/publication.md
observed 69ff6d6a6b2fb53937c987afffd7977a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:48.915470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078987/publication.txt
observed 098d0a8c81f67e30d714b517a3730302...
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.