OpenTechnical

OT-2026-000104098

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000104098) never changes.

Identity and time

Publication numberOT-2026-000104098 · never reused
Internal UUID01a0aea5-341f-71c4-936c-555c3725a881 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104098
StatusPUBLIC

Content hashes

Canonical text668438f9cd158f7d3856a20b09970ab0a8200a1d423d530336777bc4a64c24be
Markdown686f4e091fe4076bcf6a8558a9a3fc2610dfa5f34904329a293b9eb89bb5e7e2
PDF
Publication pageb5714ace478502b1e0de042ffe39a6fb1c226650fd9da9a425065228c3279a64
Manifest0a67d6356d1722d4da6aa791f6c28dd02b72b42f9ee6a46d89dd1850549cac34

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
SignaturejBREwkk5x1K7SMBMkG4FyeLuex+DnyLZ+GUx6P0JPqLSsSaf7blu1Y3LDOZyhZgWv7sFV/EGyjrhQ9Tc8OtbAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:10.185765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104098
observed b5714ace478502b1e0de042ffe39a6fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.169016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104098/manifest.json
observed 0a67d6356d1722d4da6aa791f6c28dd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.150836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104098/publication.md
observed 686f4e091fe4076bcf6a8558a9a3fc26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.132266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104098/publication.txt
observed 668438f9cd158f7d3856a20b09970ab0...
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.