OpenTechnical

OT-2026-000078013

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000078013) never changes.

Identity and time

Publication numberOT-2026-000078013 · never reused
Internal UUID01a0ae95-2ed1-7b0e-b25d-18ea132ebe46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078013
StatusPUBLIC

Content hashes

Canonical text9a2e7f78aa6b3cea3da1c6f62bf1d39109f78d180bf0a46499e1adb5faf483a5
Markdown317c8a8738d9eecc4c65b48903cce5680c4f56d28b64dca737538cf6e19e872f
PDF
Publication page22101b4e7411639202468c5f01387a9b0397e028f32df6b733d77cd625316b89
Manifestd568a18f754d24b885240fed05e379ec8ebc62666108b505fe26569a5c2db747

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
Signatureb+InrhXwW8vuPGPC3cyd5tYRihBZcTbDCqU7GvGN/4PX3E3orh17l6uLrZ0oxnFFTkoih/knsM+JmtT3TjZFBQ==
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

2026-09-17T10:10:31.030859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078013
observed 22101b4e7411639202468c5f01387a9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:31.004117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078013/manifest.json
observed d568a18f754d24b885240fed05e379ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:30.987030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078013/publication.md
observed 317c8a8738d9eecc4c65b48903cce568...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:30.969864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078013/publication.txt
observed 9a2e7f78aa6b3cea3da1c6f62bf1d391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.097597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078013
observed 22101b4e7411639202468c5f01387a9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.078498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078013/manifest.json
observed d568a18f754d24b885240fed05e379ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.056860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078013/publication.md
observed 317c8a8738d9eecc4c65b48903cce568...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.036339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078013/publication.txt
observed 9a2e7f78aa6b3cea3da1c6f62bf1d391...
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.