OpenTechnical

OT-2026-000077989

Publication integrity record

Foam pad vacuum gripper, three zone face, three 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-2026-000077989) never changes.

Identity and time

Publication numberOT-2026-000077989 · never reused
Internal UUID01a0ae95-2ed1-7cb8-995b-140a31b11554 · 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-2026-000077989
StatusPUBLIC

Content hashes

Canonical text76f2ea4c0ec72bdab1dd92c5d3e320a485b11081168085a1892fd635b37d30c0
Markdownd99b4fb1e74acfb76df9cd6d90a74586eb960431a64c9b7daa142e824e01749e
PDF
Publication page15d7d7d1fa3df23c0b996525d03779dcf3e9e58ac72b91b1bb8decfd6cabf36a
Manifestf7d24eac5f654e93c016c20f6e3ef61352a7ab095c153485a1ef8ccda5b5b508

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
SignatureDmh/OlkFBuvzy3zi8zqOwqrCRlYE0uBvXs4jjDFMv4fmt420S8tFvtsfg1AU26SCdeODLaS7zkuua8C56IjGDA==
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

2026-09-17T10:10:25.734947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077989
observed 15d7d7d1fa3df23c0b996525d03779dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:25.713149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077989/manifest.json
observed f7d24eac5f654e93c016c20f6e3ef613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:25.691421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077989/publication.md
observed d99b4fb1e74acfb76df9cd6d90a74586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:25.295020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077989/publication.txt
observed 76f2ea4c0ec72bdab1dd92c5d3e320a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:16.492654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077989
observed 15d7d7d1fa3df23c0b996525d03779dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:16.472106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077989/manifest.json
observed f7d24eac5f654e93c016c20f6e3ef613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:16.452820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077989/publication.md
observed d99b4fb1e74acfb76df9cd6d90a74586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:16.430656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077989/publication.txt
observed 76f2ea4c0ec72bdab1dd92c5d3e320a4...
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.