OpenTechnical

OT-2026-000088843

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000088843) never changes.

Identity and time

Publication numberOT-2026-000088843 · never reused
Internal UUID01a0ae9b-8f10-7d9d-bbad-bde4c77deecb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088843
StatusPUBLIC

Content hashes

Canonical text07286ef63530cbdb22c1b2fccae62a9eb8a8033fd9a6d140b80c51ca51b25bdb
Markdown82257a3b344027022cc276add120a7e2f5611481b6e374eca7531128e4fad9bd
PDF
Publication pagee66391d11f77dd5dd3ecd2db22ed3ccb16c4505498308eb04cb9644ecb0f2dc3
Manifest19063baeddfa083be2dd8c30e64291be620fd127858d1d2ed1bdf684c514d3fa

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
SignatureYUupwOZbiLjcPR2v5ih2UJJdh92axy3jgwZ3YrseIEh0YcINAGEahINPf1yHHjekRGcInlzdVMAMh0EeFBrODQ==
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

2026-09-17T09:48:14.041833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088843
observed e66391d11f77dd5dd3ecd2db22ed3ccb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:14.025116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088843/manifest.json
observed 19063baeddfa083be2dd8c30e64291be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:14.007003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088843/publication.md
observed 82257a3b344027022cc276add120a7e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:13.989569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088843/publication.txt
observed 07286ef63530cbdb22c1b2fccae62a9e...
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.