OpenTechnical

OT-2026-000077217

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000077217) never changes.

Identity and time

Publication numberOT-2026-000077217 · never reused
Internal UUID01a0ae94-f508-7ddd-9193-0b206deb3186 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077217
StatusPUBLIC

Content hashes

Canonical textc7016539e8300e03780f5a71cfec3e18abd00fd9849ac1a3ac74fd6108e93fa5
Markdowne295bbdcbcd2bee052f93810bc3e79a812dc9dfb54d884b1ee30b1e66b634591
PDF
Publication pageb8ac17f98f2f61f6d6fc373b7e759c6599eb3b11959d06774f4b75731fb555f2
Manifest928328907c8f05dcae31a417f2d849156d381bf99506a569b14e85aae9cde2bd

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
SignaturewMGGLPHOoODHpmdm2cZ22wcyC5TbqDTvWSZczCaz9FK9EXvDnuxLWzcYIs4L4snd8LDFIALOmpS5wZySisnFCQ==
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

2026-09-17T10:08:49.236902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077217
observed b8ac17f98f2f61f6d6fc373b7e759c65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:49.215216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077217/manifest.json
observed 928328907c8f05dcae31a417f2d84915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:49.193679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077217/publication.md
observed e295bbdcbcd2bee052f93810bc3e79a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:49.172928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077217/publication.txt
observed c7016539e8300e03780f5a71cfec3e18...
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.