OpenTechnical

OT-2026-000070414

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented 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-2026-000070414) never changes.

Identity and time

Publication numberOT-2026-000070414 · never reused
Internal UUID01a0ae91-545f-799e-a98a-8b38cccd5b4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070414
StatusPUBLIC

Content hashes

Canonical text6742873efaf94fed62fe2f5dea21c418808b370c3aea2e3052e52fca1078e166
Markdownb5851c0e87f184cd1fe97e802e092b8342198e778ebe4ff8b2caff44eee6c3cb
PDF
Publication page184974c04d3de51c3d170f408dbb3b6989b7bfd7a4c963d2e94ea2d584679635
Manifest4ff362489aba5499254cfc20494e7c16e387aae031d46810ccffd324c31d6f8e

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
SignatureaYRvx59MOCdrZwqdxUWj5d5MqpHHJnklMe8ItZc4wX4HFOHe6pwioGlmc6sL7R//VMGsptZl07CPzl2FkZDTBQ==
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

2026-09-17T10:26:13.489196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070414
observed 184974c04d3de51c3d170f408dbb3b69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:13.470365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070414/manifest.json
observed 4ff362489aba5499254cfc20494e7c16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:13.452386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070414/publication.md
observed b5851c0e87f184cd1fe97e802e092b83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:13.435043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070414/publication.txt
observed 6742873efaf94fed62fe2f5dea21c418...
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.