OpenTechnical

OT-2026-000069713

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000069713) never changes.

Identity and time

Publication numberOT-2026-000069713 · never reused
Internal UUID01a0ae90-b52c-706f-b1c3-59d07f6b1e9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069713
StatusPUBLIC

Content hashes

Canonical text585ad3921f82687ea1476f4f87093b98fe493128be3e9eea8b4099520b5dd879
Markdown80d27752017018058c5e39b7e5f2ea00621fbbdb3e77540749f0d757c690b662
PDF
Publication page22d7cde4501e12a27cc174a18cd871b2a400901a5341e353c2ded9992b967c88
Manifestfa2bc37da56b2479dda125904afd15cea4fcfd399ecf4b81eb6aacc18c902d66

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
SignaturexFr6VVc3PA4Kk5PuxNYS6Wr9v1d4mC8Fq46gn8KqR1i8xraueG8/Pcz+0AA9xqWGlxqBWWUVmBYpODej64QyAg==
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

2026-09-17T10:28:28.922870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069713
observed 22d7cde4501e12a27cc174a18cd871b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:28.903788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069713/manifest.json
observed fa2bc37da56b2479dda125904afd15ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:28.886266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069713/publication.md
observed 80d27752017018058c5e39b7e5f2ea00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:28.862551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069713/publication.txt
observed 585ad3921f82687ea1476f4f87093b98...
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.