OpenTechnical

OT-2026-000033466

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two 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-2026-000033466) never changes.

Identity and time

Publication numberOT-2026-000033466 · never reused
Internal UUID01a0ae75-a38d-7b93-9a8f-d52c38cbbe21 · 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-2026-000033466
StatusPUBLIC

Content hashes

Canonical text61c0f618c962835bfa42ecaab23657a84fed69599765c6ad5e9c8da6937559a0
Markdowncf4d24873fdc60eba1a6b44d941eaedc0895393c1c108180ac29d7718c97e534
PDF
Publication page6f70c87f1f7c823701e1d6db4018ab5eed7630c4ffdb8a212455c9c66795ebf5
Manifest5a33c93a5f2a4f89a919855cf98c5de0e15d8938b1f77eabddeee12145bd9d07

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
SignaturelyF9kyXpLmVpDRlKmUkjeHshDkCEQnAHsC28VVnQ0oT14kVMfKQP+ZQACN/keVnuk4jksKbRCQ6PhjeYYZIoDg==
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

2026-09-17T12:41:12.467289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033466
observed 6f70c87f1f7c823701e1d6db4018ab5e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:12.200262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033466/manifest.json
observed 5a33c93a5f2a4f89a919855cf98c5de0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:11.920773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033466/publication.md
observed cf4d24873fdc60eba1a6b44d941eaedc...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:11.653164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033466/publication.txt
observed 61c0f618c962835bfa42ecaab23657a8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:31:18.397129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033466
observed 6f70c87f1f7c823701e1d6db4018ab5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:18.377516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033466/manifest.json
observed 5a33c93a5f2a4f89a919855cf98c5de0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:18.357764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033466/publication.md
observed cf4d24873fdc60eba1a6b44d941eaedc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:18.339783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033466/publication.txt
observed 61c0f618c962835bfa42ecaab23657a8...
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.