OpenTechnical

OT-2026-000061330

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, vented after set-down, on a tool changer

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-2026-000061330) never changes.

Identity and time

Publication numberOT-2026-000061330 · never reused
Internal UUID01a0ae8b-1384-7ef7-b9f5-32345c56d970 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061330
StatusPUBLIC

Content hashes

Canonical text43845e0b54fc78f2c497aedc2f90caeb477b0820ce65e6fe6bc2b4528c841798
Markdown8977f418a5a1b4b0ba1eeebc9ec4a92e2e470fa05240cb6b3dae3a9b70c82679
PDF
Publication page697a9b2315d8af0518c34138605199c6f847e1df877a17e0530750f115f617ea
Manifest91e550f3068f461fc47dc46a36578e2d97042e1ae990e3008b75c9ae6d4fb8f5

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
SignatureesZWQoY+zVt3GaECOGCjEH5eNT0bPFBtyJ9SRGvmjgPtB/st20rLwmxSCI5+DjpfzPIw4ZNktqo7iWKDxyrkAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:46.091248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061330
observed 697a9b2315d8af0518c34138605199c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:46.073225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061330/manifest.json
observed 91e550f3068f461fc47dc46a36578e2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:46.055929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061330/publication.md
observed 8977f418a5a1b4b0ba1eeebc9ec4a92e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:46.037706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061330/publication.txt
observed 43845e0b54fc78f2c497aedc2f90caeb...
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.