OpenTechnical

OT-2026-000008298

Publication integrity record

Single cup vacuum gripper, three stage ejector, vented 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-2026-000008298) never changes.

Identity and time

Publication numberOT-2026-000008298 · never reused
Internal UUID01a0ae6a-908e-7e91-88ee-2cf5fa703f4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008298
StatusPUBLIC

Content hashes

Canonical text626465f4d18a83ed08744e1ada357433dac0b17448c4aa58d6cb80e3c0dab058
Markdown09c22f7d3c8e3e4b62cea83437c5cde6f43c37d468a82d0e65c3a587a28fdefe
PDF
Publication pagee25ceafa406fb2329e413443ad8700282d8027fb9a2dbc608cb436e012d94377
Manifest40646c628790b12555424ae34b21c4b23942dbb4ec0c155f7b65f6487bb846d4

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
SignatureM/74tSHdkE5Z7R6ja2dkBqAgC4imSu+4fv9frvcb8XP7YOG9j3XJ131GfzbM2aHUCFqVrOSyL2j5DElq+zWlAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:44.737674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008298
observed e25ceafa406fb2329e413443ad870028...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:44.718788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008298/manifest.json
observed 40646c628790b12555424ae34b21c4b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:44.697530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008298/publication.md
observed 09c22f7d3c8e3e4b62cea83437c5cde6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:44.678659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008298/publication.txt
observed 626465f4d18a83ed08744e1ada357433...
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.