OpenTechnical

OT-2026-000034571

Publication integrity record

Foam pad vacuum gripper, four zone face, single 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-2026-000034571) never changes.

Identity and time

Publication numberOT-2026-000034571 · never reused
Internal UUID01a0ae76-1ed0-786c-b520-fa64d09bb24d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034571
StatusPUBLIC

Content hashes

Canonical textc6eee8e6d47ff3e653e78a08b060cb3a337e9ffb8c1180aef8c0b2484dc431b0
Markdowncfcc475580f4cc64f1d1cbb28169053169c8dc39f459d3d7f13e9c3b2b6cc93d
PDF
Publication page5bde0b6300fde4d8b4703634f24d3ab8715818ea627eaf814887c166052ec8ae
Manifest64f16216d76d1f2aa62231a4ce4f667241cd7a41f350680d02ff87a8d8cf81df

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
SignatureclMXvJz10YA2e2OAkGtMe0tEYKwWHu8f546JaKmlgpM3xMbxR4dmA/GC50VpkU4WwNKdkhEnON/bhG8Jtum4Cg==
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

2026-09-17T11:28:56.331044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034571
observed 5bde0b6300fde4d8b4703634f24d3ab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.310993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034571/manifest.json
observed 64f16216d76d1f2aa62231a4ce4f6672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.291560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034571/publication.md
observed cfcc475580f4cc64f1d1cbb281690531...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.272402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034571/publication.txt
observed c6eee8e6d47ff3e653e78a08b060cb3a...
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.