OpenTechnical

OT-2026-000034143

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, 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-2026-000034143) never changes.

Identity and time

Publication numberOT-2026-000034143 · never reused
Internal UUID01a0ae75-df0d-7445-8e5c-fc9df3d10f21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034143
StatusPUBLIC

Content hashes

Canonical textf9f67f300ebbad78e69510ece46c72822851116c51f92909dd8da8d73c588da3
Markdownc93282535fb800b96e60d5a0570ec25a72736357f43e4bb08815cbdef8691b2e
PDF
Publication page7ce6d34b281b9ea21b23b44b8860eb2d493dc77e9b2ab861d5707c37b27a2463
Manifest80cbb56c49b0e78bf9a0d7036cb8ffdb59c738c6f71c17386898c8f304c2c54b

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
SignatureHBVIhqNa946nE8e8ou3Ay3G5CPcNxv4uBQwmq1sdeSdRoTLAr1zoZsHXYoKI/2pDew9QLjCcK97E7ABqIuvsCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:32.416049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034143
observed 7ce6d34b281b9ea21b23b44b8860eb2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.397119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034143/manifest.json
observed 80cbb56c49b0e78bf9a0d7036cb8ffdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.379022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034143/publication.md
observed c93282535fb800b96e60d5a0570ec25a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.360261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034143/publication.txt
observed f9f67f300ebbad78e69510ece46c7282...
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.