OpenTechnical

OT-2026-000103902

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, pulsed blow-off after set-down

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-2026-000103902) never changes.

Identity and time

Publication numberOT-2026-000103902 · never reused
Internal UUID01a0aea5-15e7-7183-9690-cbd88974a24d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103902
StatusPUBLIC

Content hashes

Canonical texta2d8e38f5c82245b7d97c43896d831996a4cedb3207d7d583eca11204f3f787c
Markdown37b2fc3de6bae3173a18ec2c835f4c2fbb00d9b9b133a7e612cebefc1be301ef
PDF
Publication page740cc680875a7c99d23e3740e2d59cf64859a92e754335eb27ba4bda8129b49f
Manifesta43d6b45c97c8314701db4570d2bb25541046b4dfd29f0245f5efadaf274e68d

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
SignaturecXRd2GZ1mTovI1rXkEHhTZbJIEBtYFSbNSWrmtJ6J6bsl05QCM4lI2Hplnd+IHoy8GxU0nnYTs1AQPztw06RAA==
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

2026-09-17T09:21:53.601676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103902
observed 740cc680875a7c99d23e3740e2d59cf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:53.583032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103902/manifest.json
observed a43d6b45c97c8314701db4570d2bb255...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:53.565273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103902/publication.md
observed 37b2fc3de6bae3173a18ec2c835f4c2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:53.547366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103902/publication.txt
observed a2d8e38f5c82245b7d97c43896d83199...
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.