OpenTechnical

OT-2026-000016944

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, 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-2026-000016944) never changes.

Identity and time

Publication numberOT-2026-000016944 · never reused
Internal UUID01a0ae6e-591a-79a5-b732-67e02e340ec3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016944
StatusPUBLIC

Content hashes

Canonical text80deb36c2663802f7dd215141748e7871aed26b38a7d9328952a4e993367869a
Markdowndc2040ffdd854427b10edbcc114d54f05bfa96860116aba000f45a07cf4fd021
PDF
Publication paged1cd470e9b74d3f79577f8563b0caf5b1486cb267be83e4173891214ef6e61ca
Manifest0d2603be0cbde1c09a655907bc25f72813c7827f75a8f0e4e7774985cc7bbd7f

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
SignatureaJ1K5pvfB0xC9Yn/CoJdqt6WeFC/LmvZffqfmbbtMG5d5k6cufjNwUMotX1pwDdfHtznCKDkIf68VJOyLa5fAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:03:13.741078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016944
observed d1cd470e9b74d3f79577f8563b0caf5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:13.722832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016944/manifest.json
observed 0d2603be0cbde1c09a655907bc25f728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:13.705760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016944/publication.md
observed dc2040ffdd854427b10edbcc114d54f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:13.689006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016944/publication.txt
observed 80deb36c2663802f7dd215141748e787...
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.