OpenTechnical

OT-2026-000032202

Publication integrity record

Foam pad vacuum gripper, three stage ejector, 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-2026-000032202) never changes.

Identity and time

Publication numberOT-2026-000032202 · never reused
Internal UUID01a0ae74-f7a7-7311-964c-f107ec4a086f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032202
StatusPUBLIC

Content hashes

Canonical textd058999936c6ea68943abe510a9ad6622aba2f44ad3af4085e800c8e3f1bc1f7
Markdown8e2ecd435f0b7639386866d9857e36bfd9a13f3a7352ba9ca0945386789bf7a5
PDF
Publication page3921a03c8f8cc015faa96cbf1bf81760a029afdbafed30ee8ad6efbe51b97ce7
Manifest2e206a5dc6d5100e766107126e3cbbd301043ba6fe408dd7a2db676ffdf708a2

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
Signature7rnNs4seb8UwWB4ZzNRN3HshnBg4PpKFGSdu+xZ5yXcv0To4hhluvtOIKQgrKCBImXWSBSf2zQhmqgI0gqbLBA==
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

2026-09-17T11:34:32.864366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032202
observed 3921a03c8f8cc015faa96cbf1bf81760...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:32.846012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032202/manifest.json
observed 2e206a5dc6d5100e766107126e3cbbd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:32.830215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032202/publication.md
observed 8e2ecd435f0b7639386866d9857e36bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:32.813631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032202/publication.txt
observed d058999936c6ea68943abe510a9ad662...
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.