OpenTechnical

OT-2026-000069409

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two 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-2026-000069409) never changes.

Identity and time

Publication numberOT-2026-000069409 · never reused
Internal UUID01a0ae90-b529-7158-b9be-243eb9c0f8ac · 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-2026-000069409
StatusPUBLIC

Content hashes

Canonical text101fdc0b753873ba7df25073be87800d8181d6d84d84c8087835de69ab10eb1e
Markdownc258ab491d8df02b0bd51d038175928dccd05033e26d99818e4223f80253a0ce
PDF
Publication pagee639c7385187ea5455410ed8f1548938f3530000f7319d61677edd0dee137bc8
Manifest0ce8196db1e0c9288ba21cbfd07e35a0be854f5b954895f42665ec91c1e58a39

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
SignatureMSDpzuo1AcGN3HF6C+RAKM710zR6Iq8EGTgZx+RDo8rwLya7KzCQpYuQtXZwiFW0gLlmmYE7/OOYfMZBC+0CDw==
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

2026-09-17T10:30:20.378934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069409
observed e639c7385187ea5455410ed8f1548938...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.356207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069409/manifest.json
observed 0ce8196db1e0c9288ba21cbfd07e35a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.339056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069409/publication.md
observed c258ab491d8df02b0bd51d038175928d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.315859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069409/publication.txt
observed 101fdc0b753873ba7df25073be87800d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:00.673882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069409
observed e639c7385187ea5455410ed8f1548938...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:00.655808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069409/manifest.json
observed 0ce8196db1e0c9288ba21cbfd07e35a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:00.637315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069409/publication.md
observed c258ab491d8df02b0bd51d038175928d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:00.617466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069409/publication.txt
observed 101fdc0b753873ba7df25073be87800d...
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.