OpenTechnical

OT-2026-000069457

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three 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-2026-000069457) never changes.

Identity and time

Publication numberOT-2026-000069457 · never reused
Internal UUID01a0ae90-b52a-7321-a1ae-a5d986279cdd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069457
StatusPUBLIC

Content hashes

Canonical text4d9c7d5c4d0906c69edd829f65e979e8e677cdca197f79e840f3f46088843823
Markdownd17b8c4cc6448a64a63414babe5e6fa3d114c671acc127a61d2e2c0d128a9846
PDF
Publication paged742e10e5b5109c09320d7870eb2bce2cf3f0598fd7e667fd55e1d6fb0b7c2fe
Manifest250add8939e1fe211c65cf38ed8dc52f53668231caee1acb09ccdb3d042f6264

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
SignaturewCZck9GWrXbIGNtO4sVUo1mL7U6T9zoI+ME1onfWVzQJXw7SaR5mdctlHC/g5KatGFxaEDCbfIraaDf/H8K9Bg==
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

2026-09-17T10:30:31.756844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069457
observed d742e10e5b5109c09320d7870eb2bce2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.734185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069457/manifest.json
observed 250add8939e1fe211c65cf38ed8dc52f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.711416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069457/publication.md
observed d17b8c4cc6448a64a63414babe5e6fa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.668481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069457/publication.txt
observed 4d9c7d5c4d0906c69edd829f65e979e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.548435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069457
observed d742e10e5b5109c09320d7870eb2bce2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.529200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069457/manifest.json
observed 250add8939e1fe211c65cf38ed8dc52f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.511419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069457/publication.md
observed d17b8c4cc6448a64a63414babe5e6fa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.492820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069457/publication.txt
observed 4d9c7d5c4d0906c69edd829f65e979e8...
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.