OpenTechnical

OT-2026-000033899

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000033899) never changes.

Identity and time

Publication numberOT-2026-000033899 · never reused
Internal UUID01a0ae75-a391-7a97-b0e6-35dcd7960143 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033899
StatusPUBLIC

Content hashes

Canonical text4f7348f43fb51ba741fe49482afbf1ababc9663dc6c198a08e24773070059fe7
Markdowna99e568f90cefb20d7ec4308c26880783aa184232253b9b7b66fa4f42f455156
PDF
Publication page2a20c655b4fabba63b6d6ce7f51b646325a54c0855d49cdb359f14c333ee85b1
Manifest21df7e4cd3a6e164a2b4f7706a9cd3ef3fa1c1044c78e7c5c2cf7330fa3c044f

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
SignaturekxSo0k8WoJpesROSXmSbgxKPUzTLMqDZ/mPjKszBASrOtqanCIyK+/OElgI9ka/O3mU7x3UFuVQmNX9Yw1OYCg==
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

2026-09-17T11:31:58.558021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033899
observed 2a20c655b4fabba63b6d6ce7f51b6463...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:58.540974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033899/manifest.json
observed 21df7e4cd3a6e164a2b4f7706a9cd3ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:58.521607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033899/publication.md
observed a99e568f90cefb20d7ec4308c2688078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:58.503423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033899/publication.txt
observed 4f7348f43fb51ba741fe49482afbf1ab...
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.