OpenTechnical

OT-2026-000043339

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold 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-2026-000043339) never changes.

Identity and time

Publication numberOT-2026-000043339 · never reused
Internal UUID01a0ae7b-327e-7325-9fce-31723d1ced78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043339
StatusPUBLIC

Content hashes

Canonical text9b5089226fef0764bf3fbdad3d32f74cd987b75bad628b6735998c3b1824d28f
Markdown231c228e303b537f283b8af0882dd27df821659de132e07c900510b7c0910f36
PDF
Publication pagee083e59a12e66b5cf279f6cb9ca9a59cbccf2dfeba4e5b299d6fc38a13e4607a
Manifest0eb100bedac1f09daf8c4c0047302f4e1a867413cd7ffa080a6bbcd2c3fe9e9c

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
Signature1hxbTJCvNOz1R8ftIfg+UzjBLKUOFxD2skyBodc4Mf8PO0p45LdrCFR6xRns5xzdKFXV9iFTlhEltkpT1ccuDw==
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

2026-09-17T11:13:51.086769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043339
observed e083e59a12e66b5cf279f6cb9ca9a59c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:51.069031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043339/manifest.json
observed 0eb100bedac1f09daf8c4c0047302f4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:51.051927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043339/publication.md
observed 231c228e303b537f283b8af0882dd27d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:51.031370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043339/publication.txt
observed 9b5089226fef0764bf3fbdad3d32f74c...
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.