OpenTechnical

OT-2026-000101581

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, 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-2026-000101581) never changes.

Identity and time

Publication numberOT-2026-000101581 · never reused
Internal UUID01a0aea4-0e15-7691-ab55-45084b46bf31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101581
StatusPUBLIC

Content hashes

Canonical text0fc6d2b8373f24fa34d5ecdc1b9ccf1664add527eb0742e872784af6678c14b0
Markdownc7ae5e21e8394cc918f787767d0c8ecfcde7cad5003bda597d9cb8d96db540d0
PDF
Publication paged2cb41161f17c12818d28031820da40c863a0ee565eb3e7c50d7e5f2a718f459
Manifestd9224389712dbf812084a22768c7a2cde75f2a90fb96c9e0e7dbb892ee23a8ae

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
SignatureQAhaRZ30VOgvVEdCKgFTPnp1WFFrGKPJDUd+jhEKXAUtZDlbiAQGNFvP0pM3f/jXrk8M86BpyKOEnFUwpXUtDQ==
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

2026-09-17T09:25:40.305172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101581
observed d2cb41161f17c12818d28031820da40c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:40.287661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101581/manifest.json
observed d9224389712dbf812084a22768c7a2cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:40.271049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101581/publication.md
observed c7ae5e21e8394cc918f787767d0c8ecf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:40.253993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101581/publication.txt
observed 0fc6d2b8373f24fa34d5ecdc1b9ccf16...
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.