OpenTechnical

OT-2026-000089352

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000089352) never changes.

Identity and time

Publication numberOT-2026-000089352 · never reused
Internal UUID01a0ae9b-db01-71f1-8025-e20db4877a2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089352
StatusPUBLIC

Content hashes

Canonical text4b58038492e8d021c1ccd32bc1291d683d35f3bea140653dd9fa3b496cb03c3f
Markdownfe44b404ff8f2da33fe281525da38976ec43c10553f9c3ea5020acbf2c2d6ed7
PDF
Publication pagef7c9816bade90c9fa9ed08dd5ef2823c20407d51d0637c8d024af34d6f77f5db
Manifest7b3a3d572423fc4759ba6894c4f31deecfc86dc881970061724ba3a8e67984c3

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
Signaturepg2kLQ/l6USU86ipCMEImQ180yyMPbRFz4f7AJB8MbBRrPBvtGPOrBJzbkGOis3expTudKqKx/n9D2uUHxx4Bg==
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

2026-09-17T09:47:24.477509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089352
observed f7c9816bade90c9fa9ed08dd5ef2823c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.461031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089352/manifest.json
observed 7b3a3d572423fc4759ba6894c4f31dee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.446202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089352/publication.md
observed fe44b404ff8f2da33fe281525da38976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.428806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089352/publication.txt
observed 4b58038492e8d021c1ccd32bc1291d68...
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.