OpenTechnical

OT-2026-000033030

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000033030) never changes.

Identity and time

Publication numberOT-2026-000033030 · never reused
Internal UUID01a0ae75-4843-7774-9ea4-5df2ed8d6ed8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033030
StatusPUBLIC

Content hashes

Canonical text2452c527d0071b197f7fb5adb5a55be052231b401f12c7cdfb93374bdc5471ee
Markdown05e7c7bf3fea2a46e3a817356dc7fd89ec182b8cca575f1208d6e0b15c11e6a6
PDF
Publication page8a3c9a62342f790e9d79c20d9185c6987e7b189f1ff7266418105b3083ad9804
Manifestf8f5cdafbc0a0dcd386ab6f618ebe61711f6624136b00cb27b514589c904f2bb

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
Signature23vRI+CdokvV2Z38RvqiGsRX7Ep00bE0vXJt9OrVfYQZX3m4/SBA+61kGxMIldZfFg0OALZxGPSsfN+yFQExBg==
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

2026-09-17T11:32:39.809747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033030
observed 8a3c9a62342f790e9d79c20d9185c698...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:39.788399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033030/manifest.json
observed f8f5cdafbc0a0dcd386ab6f618ebe617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:39.768639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033030/publication.md
observed 05e7c7bf3fea2a46e3a817356dc7fd89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:39.750050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033030/publication.txt
observed 2452c527d0071b197f7fb5adb5a55be0...
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.