OpenTechnical

OT-2026-000064562

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000064562) never changes.

Identity and time

Publication numberOT-2026-000064562 · never reused
Internal UUID01a0ae8d-a462-7622-bf62-2472bd6d1d0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064562
StatusPUBLIC

Content hashes

Canonical textfcd1b9c2bf2ab28e96f6c956a756c70d7b75ba145f47ab2e3f5bff4a9ef6a6a2
Markdowncc0adb3404adff77b1e57cb91cc843136cc2f14ca7e4adaaecc9a26d582e0a0e
PDF
Publication pagedb3b8538fb1a3fc11d05cec20f1fd644ffb1c1955bf91914de71daef6e05e7af
Manifest3359ee37581fdbb6c20ab901f8c23e25533a041ea5e17b9c855a55a5e54b1a12

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
SignatureOpucdgZAbAGHF7tv6JHx5vMNWMzqlebDpJcdHdcHVq8YJraeOR/pvYFkP35TYsgG3lGJwcPD48t+Hbrhph8jDw==
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

2026-09-17T10:36:47.183873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064562
observed db3b8538fb1a3fc11d05cec20f1fd644...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:47.167537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064562/manifest.json
observed 3359ee37581fdbb6c20ab901f8c23e25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:47.148666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064562/publication.md
observed cc0adb3404adff77b1e57cb91cc84313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:47.017497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064562/publication.txt
observed fcd1b9c2bf2ab28e96f6c956a756c70d...
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.