OpenTechnical

OT-2026-000066955

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000066955) never changes.

Identity and time

Publication numberOT-2026-000066955 · never reused
Internal UUID01a0ae8f-14fd-7674-a12b-58b1a1341fcb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066955
StatusPUBLIC

Content hashes

Canonical text55476a9f01824d56afdf817e14e8b7262fe8c14d4022a2472fb437d1a27f0bd8
Markdowna584d0628c131f75c67273a7323fc5a9306f75117219ec3672e17a5f7c33c4ac
PDF
Publication page41da4d0a27639e10601d906a257e903d7f6608441e4533d96623a4dadd086df5
Manifest26601ccb2f0ccbf41769f2671504b19dacae2fbca0961f86ca898190425a4563

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
Signaturer1VIiED7uCHRGV9llmPr1DhQLDMvA7yT/M0R0but1LySm48cRTv2UvWT9C9BIXMtAcsUGvIg6HaW+bpYdXQECg==
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

2026-09-17T10:32:10.273519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066955
observed 41da4d0a27639e10601d906a257e903d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:10.253892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066955/manifest.json
observed 26601ccb2f0ccbf41769f2671504b19d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:10.235913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066955/publication.md
observed a584d0628c131f75c67273a7323fc5a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:10.216401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066955/publication.txt
observed 55476a9f01824d56afdf817e14e8b726...
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.