OpenTechnical

OT-2026-000016375

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000016375) never changes.

Identity and time

Publication numberOT-2026-000016375 · never reused
Internal UUID01a0ae6e-2d12-7c87-852a-e31aa0511a66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016375
StatusPUBLIC

Content hashes

Canonical text64a3837594385d8ed73e095cfa756fe48f49e467f6d0cd661570418454ceb514
Markdown95c1f6c819a87362b063c07cb4b7b95a83b3bedbf1800982834207ea92c87557
PDF
Publication page568573561c8bbc6cd23f5aa929e228718ddb0d3b716de7f51bf79633d45683e9
Manifest14b11df245bd45a4105dc34e0e37c98e67dd1420ed1587c4d3f1b61eb7064a05

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
Signaturemu5qRY9YHbeohMazbLECpUbmrQlbaj4vSI57RdUOVz3UOPhUP8UxZSAJl2DUxrWRTL+chpc1SsR0II3+xJBiDg==
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

2026-09-17T12:04:27.104628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016375
observed 568573561c8bbc6cd23f5aa929e22871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:27.086560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016375/manifest.json
observed 14b11df245bd45a4105dc34e0e37c98e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:27.068508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016375/publication.md
observed 95c1f6c819a87362b063c07cb4b7b95a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:27.049427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016375/publication.txt
observed 64a3837594385d8ed73e095cfa756fe4...
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.