OpenTechnical

OT-2026-000060902

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000060902) never changes.

Identity and time

Publication numberOT-2026-000060902 · never reused
Internal UUID01a0ae8b-12f1-78c7-88ff-a12d5c741f08 · 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-2026-000060902
StatusPUBLIC

Content hashes

Canonical text654f047e4c29c36da93727d7a75e3856d0aa4f87e904c4bab7119ab14d2d3dfb
Markdown2a8e27d801ed598b78bea43d3def5abdf290bf8a895afec5c4bd5df4c5365a73
PDF
Publication page81c30e0afea7711901822b1b7b260150a9bb0496c49e57b3f5c51fbfca3ac8e7
Manifestf7170259176a272b76e907357bbd337cac1fa8a848212cbb09f66a62a11f6507

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
SignaturevKyCcQJahPW8oxp216APi4DdPe28mZTfSeOOnghFi7pzfxYCsBg0nNizbnVnUlsmz0Eim2MkytfeE6EUwXj5Aw==
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

2026-09-17T10:42:09.909954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060902
observed 81c30e0afea7711901822b1b7b260150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:09.893867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060902/manifest.json
observed f7170259176a272b76e907357bbd337c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:09.874221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060902/publication.md
observed 2a8e27d801ed598b78bea43d3def5abd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:09.854668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060902/publication.txt
observed 654f047e4c29c36da93727d7a75e3856...
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.