OpenTechnical

OT-2026-000091615

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, sustained 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-2026-000091615) never changes.

Identity and time

Publication numberOT-2026-000091615 · never reused
Internal UUID01a0ae9d-43b8-752d-8283-4f3bea0caded · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091615
StatusPUBLIC

Content hashes

Canonical textf1b8b175f89dd3911200639bbf3f1279cb88a84b7c26fbdebfcb1d1c30e8b972
Markdown5e9c629cf4d89824977dddc567dbcf1b0da215da8737756dfffd6974921cfbdf
PDF
Publication page3f4bdf0f466fe99bcf2c9a7574b7f06bb200e6cde89ba766ddb9e97b1c95da92
Manifest4652b1354554cf97df7b2cccac8f5fe74f3c90f05fb3eb2b332c3d65a9461afe

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
Signature7KfoPs7kuhdckwK2VGsyOVa/wqg4PYp4G7s2r0rHh3cldvo/g75KcgpmuN2I0SxCD2porG4633DiKZRwbPdOCg==
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

2026-09-17T09:41:58.348569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091615
observed 3f4bdf0f466fe99bcf2c9a7574b7f06b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:58.328595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091615/manifest.json
observed 4652b1354554cf97df7b2cccac8f5fe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:58.310744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091615/publication.md
observed 5e9c629cf4d89824977dddc567dbcf1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:58.292279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091615/publication.txt
observed f1b8b175f89dd3911200639bbf3f1279...
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.