OpenTechnical

OT-2026-000071027

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000071027) never changes.

Identity and time

Publication numberOT-2026-000071027 · never reused
Internal UUID01a0ae91-8c2e-78df-ad26-9520f3dde3fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071027
StatusPUBLIC

Content hashes

Canonical texta40deb96d1b4b5da1324917e0813ee6aeb89d9af09451c5cd731b1231110ce35
Markdownceae0f9156586c3b845d086d0ec1eb58b4c7fae358aefbb08ea88f50fc0e36b1
PDF
Publication page8b21a41171d2137cd93de46573abb1ac572b98d0be73aaee24d1af68cfabd01a
Manifest6ea28da9354fc5d876efa0d1f451a231aafa2d3a395b10049948ab2903d278b4

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
SignaturenYH2Bs0SiA+OWSECVOL9URwqC2hqEBel0RWTPjqGrCZZcSz7rVcL0/7KIgaM1bnwG6F97A5bTd5RTnQVl5r0CQ==
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

2026-09-17T10:25:52.952178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071027
observed 8b21a41171d2137cd93de46573abb1ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:52.933312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071027/manifest.json
observed 6ea28da9354fc5d876efa0d1f451a231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:52.917444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071027/publication.md
observed ceae0f9156586c3b845d086d0ec1eb58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:52.902155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071027/publication.txt
observed a40deb96d1b4b5da1324917e0813ee6a...
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.