OpenTechnical

OT-2026-000022666

Publication integrity record

Foam pad vacuum gripper, single stage ejector, 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-2026-000022666) never changes.

Identity and time

Publication numberOT-2026-000022666 · never reused
Internal UUID01a0ae70-46e9-70bc-b5c1-1d648591dd94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022666
StatusPUBLIC

Content hashes

Canonical text9dd7eb152a0d11edc064b69ce1bae5e9569993fa96d3d7338e34c71adff12b07
Markdown63c85c1964776a4e1bc444e404bf1b2fb77699fb1217770894684d4e77a87a66
PDF
Publication page4404170a3fc89f493dc12d06bee6654ed36f5247d7adb44b85d337e4c5c84f8b
Manifest5e2a56759fab5c25fd07f2365474acebe3621e947060e06ae25ead7bfd604b72

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
SignaturelVcLoXZeJme1V/FJ1C5jj2V4kKNjFfAMxzppqS60GSAGDDDmaGnHTxrTpBrlhjafmbt1gpKfAuKQOyMPsaKnDA==
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

2026-09-17T11:52:03.032539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022666
observed 4404170a3fc89f493dc12d06bee6654e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:03.014300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022666/manifest.json
observed 5e2a56759fab5c25fd07f2365474aceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:02.997037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022666/publication.md
observed 63c85c1964776a4e1bc444e404bf1b2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:02.980976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022666/publication.txt
observed 9dd7eb152a0d11edc064b69ce1bae5e9...
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.