OpenTechnical

OT-2026-000078783

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000078783) never changes.

Identity and time

Publication numberOT-2026-000078783 · never reused
Internal UUID01a0ae95-ccbd-7535-9bad-191aeea8f932 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078783
StatusPUBLIC

Content hashes

Canonical text426e39275eea777afef9c78470152c59ccfcdf7398cd95226938309837eddc97
Markdown3490e0cb580abe0d5e0bd4c6d8d9be29c49279fdbbe0d2806e6e6d57a2c4b3a8
PDF
Publication page36afabaec16b693e145b1440af7656dfa32a8d83378de5f9cbcf12d880cfb64f
Manifeste4858a84902d5525f06fe105897f18b3aee1413b814dcb405f45e3606d4cdeb1

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
SignatureCYMes9/PRBpsvIkqeKDCjSSWzzOVg7zQHZNZJiRqW2xD9YFPXGwqGMSXiANpWrdIsBNUJVze7xXqMLCRyfY/DA==
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

2026-09-17T10:05:34.345094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078783
observed 36afabaec16b693e145b1440af7656df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:34.328819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078783/manifest.json
observed e4858a84902d5525f06fe105897f18b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:34.311251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078783/publication.md
observed 3490e0cb580abe0d5e0bd4c6d8d9be29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:34.292870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078783/publication.txt
observed 426e39275eea777afef9c78470152c59...
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.