OpenTechnical

OT-2026-000065907

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pressure sensor per zone, pulsed 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-2026-000065907) never changes.

Identity and time

Publication numberOT-2026-000065907 · never reused
Internal UUID01a0ae8e-8dc1-704b-8669-5ba97af44f3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065907
StatusPUBLIC

Content hashes

Canonical text7d007e8947e5128b9e90cf94c9a94fd081b08e8b890830a8cf25b60faf712160
Markdownb84761849fb38315eb031b03aa0c6e115436423a9220783ad460fbf86d99e57a
PDF
Publication pagebb8c06d5120bc91c5312e1a7225349e03780a9841fe3f0c53cf3b43fe7cc7c9d
Manifest0fd2d0ff2642f35e06c43766385c56999cd750daa83eb40b2f4ed7fee06d5022

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
Signature5LuHI/8QSHl9ROR1xxZFrkSs1gLA7lZ/KuBOAQgu/BerovMur8J2TI/lWO2rOzU5FvHydFf59vRBwHnAU+J+Bw==
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

2026-09-17T08:50:07.992837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065907
observed bb8c06d5120bc91c5312e1a7225349e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:07.976567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065907/manifest.json
observed 0fd2d0ff2642f35e06c43766385c5699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:07.838939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065907/publication.md
observed b84761849fb38315eb031b03aa0c6e11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:07.809012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065907/publication.txt
observed 7d007e8947e5128b9e90cf94c9a94fd0...
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.