OpenTechnical

OT-2026-000006383

Publication integrity record

Vacuum cup gripper, three stage ejector, contact triggered, vented after set down, rubber cups

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-2026-000006383) never changes.

Identity and time

Publication numberOT-2026-000006383 · never reused
Internal UUID01a0a959-15a1-78b3-a400-8fe94a5d2981 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:33:02.884389Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006383
StatusPUBLIC

Content hashes

Canonical text67a8c184a296a59c5c2429c18c6ebac04c4eda67fa2eb64d02b1b6832ba9da5f
Markdownc62357ea30879b6911c95f97303382acc56a05026c91f8027e43c5ee434b54a0
PDF
Publication page8115169a12bf17bacea9cbf3543519e4d088f67479ffb06b0c49be946619996e
Manifestfb826299a521f7d1b4c731710bd937ea8637c125f49a02989c4e46db9d08eb55

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
Signature1rdbhn2q3/jDCyk9L0oEZXJU2nRv67KtWF9ALqx/1OD3b7E8PTe7MgPr4dpauKYY37bwWb8hi5iHrxp1LecqCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:24.183682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006383
observed 8115169a12bf17bacea9cbf3543519e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:24.154921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006383/manifest.json
observed fb826299a521f7d1b4c731710bd937ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:24.141340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006383/publication.md
observed c62357ea30879b6911c95f97303382ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:24.126368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006383/publication.txt
observed 67a8c184a296a59c5c2429c18c6ebac0...
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.