OpenTechnical

OT-2026-000075734

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000075734) never changes.

Identity and time

Publication numberOT-2026-000075734 · never reused
Internal UUID01a0ae94-29fe-7063-8e7a-9437cdfd54f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075734
StatusPUBLIC

Content hashes

Canonical text054481522c3f73210b18076613a2efb62a26899a8b70f6863a091d7f2143a5a2
Markdown4cd05d69aeea00b4d5ee94909478e76986b20f51a6392df39e5ecbdaccb24d2c
PDF
Publication page018d3762d333589d3378b187628d889fb2c7217bdaf95770444ea02565c2d415
Manifeste6e55f0770c19f02b93edf683999cc5e7ea4ba77ad09f030435676667dd72144

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
SignaturesVmdMS+LabIbn2KwtFar8kgBnYrdsGFaa3uovMXkO04O7JIg5E5yKzpa4kfxP2HuPB5j4vplLgcFV58KUtnvBw==
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

2026-09-17T10:14:02.773808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075734
observed 018d3762d333589d3378b187628d889f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:02.756147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075734/manifest.json
observed e6e55f0770c19f02b93edf683999cc5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:02.738830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075734/publication.md
observed 4cd05d69aeea00b4d5ee94909478e769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:02.720263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075734/publication.txt
observed 054481522c3f73210b18076613a2efb6...
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.