OpenTechnical

OT-2026-000038506

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000038506) never changes.

Identity and time

Publication numberOT-2026-000038506 · never reused
Internal UUID01a0ae78-2d53-7d95-9320-ef3580b11212 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038506
StatusPUBLIC

Content hashes

Canonical textb1c97abcf417f32f8f1bdccda34abd50d3a2ed9d3620ea6aa0c30d984fa871de
Markdown5ac8f23b0ff4c9bd13b8334af98773e13ac557a486ac7545edd488e7d717d1c4
PDF
Publication pageb7a98cc85352205fa8e94017560b2898d7082ebd26763657554e55ff7d391f44
Manifest5775f841f0631d898b5377b1f655c533217bcb38398c448218d99e159fc17704

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
Signaturelmemmli4HcDT6N+CcOEyj+mx1crGQEZmf5DrEHQXyL/priGodPt3zGBXYhOMP14JNMj6DibKFjIf6A8c7MxWAA==
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

2026-09-17T11:22:45.238886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038506
observed b7a98cc85352205fa8e94017560b2898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:45.221530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038506/manifest.json
observed 5775f841f0631d898b5377b1f655c533...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:45.203208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038506/publication.md
observed 5ac8f23b0ff4c9bd13b8334af98773e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:45.172957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038506/publication.txt
observed b1c97abcf417f32f8f1bdccda34abd50...
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.