OpenTechnical

OT-2026-000027509

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000027509) never changes.

Identity and time

Publication numberOT-2026-000027509 · never reused
Internal UUID01a0ae72-6998-7c09-944e-a724c08b8528 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027509
StatusPUBLIC

Content hashes

Canonical text14dfaf4088efa00b915648686f275f9c7338a9eed5a70765b581a038b9eb5737
Markdownc5e0fb1f0bc0a8ca11a6c46af0ecf2afabe8ded14f84e79fd3eae05c3971a343
PDF
Publication page87a293ed10bfdd3a4fd91e8715a4f03659561b962e0176a78d09d258aad7b2f2
Manifest2617a1aeea8dff270d904595df98b814d1ce86b75838c64b7cc69ebd8d51bf1e

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
SignatureNdtyC5xPxzxVWUiA5+QZOIjuPqh5oAMPB9GYo3hnZxOvXYmOt/So41xEIukI2zHg9EG0NVs5ZFBYTQCUzHvICg==
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

2026-09-17T11:42:59.092990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027509
observed 87a293ed10bfdd3a4fd91e8715a4f036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:59.074563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027509/manifest.json
observed 2617a1aeea8dff270d904595df98b814...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:59.055116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027509/publication.md
observed c5e0fb1f0bc0a8ca11a6c46af0ecf2af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:59.026395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027509/publication.txt
observed 14dfaf4088efa00b915648686f275f9c...
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.