OpenTechnical

OT-2026-000072107

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000072107) never changes.

Identity and time

Publication numberOT-2026-000072107 · never reused
Internal UUID01a0ae92-47c1-7a79-9c36-2e9201e22037 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072107
StatusPUBLIC

Content hashes

Canonical text6d788bf1f4337a8cce4a4e14cff98d53520bf9df79ef2ec8e81329f41f9c0688
Markdownd45a024ab473b65c100e178e33609e5d2cdf9ae94259ff5a4edccbe524c45523
PDF
Publication page87cbb2ec3efc3d2323cd259389bf2794768b3d57cd208f1f9526dd4b40a77a36
Manifest1de0daaa1b911112ff4b9560cd31bb9f4134279746daa4c5d7a2884a1af43033

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
SignatureQOHaV6RjEkAK89eUFU2JIaC+hzESL89nUHe/z2KE0W2JOk0zGkvlNymgUrLmsQePw2AjXEbkFgWCfMvqDBs/DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:11.391491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072107
observed 87cbb2ec3efc3d2323cd259389bf2794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:11.367401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072107/manifest.json
observed 1de0daaa1b911112ff4b9560cd31bb9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:11.349401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072107/publication.md
observed d45a024ab473b65c100e178e33609e5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:11.331226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072107/publication.txt
observed 6d788bf1f4337a8cce4a4e14cff98d53...
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.