OpenTechnical

OT-2026-000081588

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line 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-2026-000081588) never changes.

Identity and time

Publication numberOT-2026-000081588 · never reused
Internal UUID01a0ae97-0f71-78c6-975e-cbe026825b3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081588
StatusPUBLIC

Content hashes

Canonical textd117f639cc550df173c64d16f6a826440319fe0171cc50452ec8287ad6863d20
Markdownd14e5446135cb61f58317eef1e7154678ed31a08507566643e164679b6219896
PDF
Publication page43070109ce2f7c56ce328d8ad3927ca126a82f7ff93e380a1ae614578f685408
Manifestdcfbfbddc6128f55a98482d6eb3ea437ac40e219a3d2aee6ea0a3159c45f49c2

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
Signature+lqSOwpA8Z10UOtdGLEsLUS1lG/g3z7SvrabtzRzTVI3lpnox852TFvPAUHLzedwt2tCh+WU3o2JOw/XQKYTDg==
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

2026-09-17T09:59:37.411678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081588
observed 43070109ce2f7c56ce328d8ad3927ca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:37.394014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081588/manifest.json
observed dcfbfbddc6128f55a98482d6eb3ea437...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:37.376090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081588/publication.md
observed d14e5446135cb61f58317eef1e715467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:37.357482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081588/publication.txt
observed d117f639cc550df173c64d16f6a82644...
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.