OpenTechnical

OT-2026-000095685

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, sustained 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-2026-000095685) never changes.

Identity and time

Publication numberOT-2026-000095685 · never reused
Internal UUID01a0ae9f-fac4-7ae2-8eb4-467fb92bbfae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095685
StatusPUBLIC

Content hashes

Canonical textdd4f8074460821507dcd04c172008aee511f794c1889df3f5ecab285705a0faa
Markdown2f578ef3c98bdfd83848a571c052afc7e660312aeea86094a9eacc411c3f4f48
PDF
Publication pageb59925b6a0208400522605e8002150a9833ea03dfb009e6500cb42a25ef0d40d
Manifest31a3bff86d571047ae7e7ff0ad94fcf5801a9bcb8ce6a0cda5750bae932ce508

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
Signature09LpSly0Nk1Ix0ykehy9wePdo7ZIFt8owDJ3M9E8W9vJ9paJHM2zHE3gROfvo4DNqiIUgMMiDaUbXXjmXVTKCw==
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

2026-09-17T09:35:09.773479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095685
observed b59925b6a0208400522605e8002150a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:09.754243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095685/manifest.json
observed 31a3bff86d571047ae7e7ff0ad94fcf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:09.735914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095685/publication.md
observed 2f578ef3c98bdfd83848a571c052afc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:09.685139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095685/publication.txt
observed dd4f8074460821507dcd04c172008aee...
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.