OpenTechnical

OT-2026-000077935

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000077935) never changes.

Identity and time

Publication numberOT-2026-000077935 · never reused
Internal UUID01a0ae95-2ed1-74ea-8c96-4ecd75b91848 · 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-2026-000077935
StatusPUBLIC

Content hashes

Canonical text61d354f0f6c3da906b3b3bbac8b2b4df96452d07be46ea60ebf98da559c2bebe
Markdowna534ca851d38193562788e6c2e97082e7bf060f77d6a84fc78115f5036a0f55c
PDF
Publication pagea1feb22d670a92f6e14a7360167a1a0b4f4e6f3988c48caf608557f83e588135
Manifestd644ff5e0020401892e0d00ef767f1219960ef003e8fba273c492e329a076583

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
SignatureVaPbeB+JpobeWD9YqsD/UNGbVYmyNxDqIcbc30qoaEdEoeC1sGmxtdbkOedbXJSaUbUYqnpLOXldVBXKkepBAA==
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

2026-09-17T10:10:14.443398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077935
observed a1feb22d670a92f6e14a7360167a1a0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:14.047878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077935/manifest.json
observed d644ff5e0020401892e0d00ef767f121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:14.024063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077935/publication.md
observed a534ca851d38193562788e6c2e97082e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:14.005295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077935/publication.txt
observed 61d354f0f6c3da906b3b3bbac8b2b4df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:12.844207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077935
observed a1feb22d670a92f6e14a7360167a1a0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:12.825324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077935/manifest.json
observed d644ff5e0020401892e0d00ef767f121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:12.804043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077935/publication.md
observed a534ca851d38193562788e6c2e97082e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:12.783912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077935/publication.txt
observed 61d354f0f6c3da906b3b3bbac8b2b4df...
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.