OpenTechnical

OT-2026-000018435

Publication integrity record

Foam pad vacuum gripper, three zone face, six 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-2026-000018435) never changes.

Identity and time

Publication numberOT-2026-000018435 · never reused
Internal UUID01a0ae6e-b48a-75e4-81d5-25bcea6a4f47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018435
StatusPUBLIC

Content hashes

Canonical text20227bf3dbfaaefca4d7d3ec3f1bb7238b70dbbfbf7dca505130bd4198e375fd
Markdownd3db2b3f13b8aad9a8d3e7cd6a3b99109667af047a0798d263ab7eb0760dbcf7
PDF
Publication pageafdb5e64e3044b3715a3d54b706ea60260f43e3ee5a99eee6e8685e073876440
Manifesta0669e6c07dadd69f2b8d58807c9e803aba9ccf29948884cffd0fa5335925db1

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
SignatureEFEbhAt9YCBXMoAPVHHUZG+f9Q2gqMKC1R+Azu6o1QESLdniNNgjCbXvLGL2M26BT0LXxcUDbQg3FjN2gOW4CQ==
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

2026-09-17T12:01:11.264905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018435
observed afdb5e64e3044b3715a3d54b706ea602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.246817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018435/manifest.json
observed a0669e6c07dadd69f2b8d58807c9e803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.227817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018435/publication.md
observed d3db2b3f13b8aad9a8d3e7cd6a3b9910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.208006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018435/publication.txt
observed 20227bf3dbfaaefca4d7d3ec3f1bb723...
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.