OpenTechnical

OT-2026-000090997

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000090997) never changes.

Identity and time

Publication numberOT-2026-000090997 · never reused
Internal UUID01a0ae9c-c011-7c01-bfbe-39382e6a8bcf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090997
StatusPUBLIC

Content hashes

Canonical text5babe503b126ef7f49519a23effb0a3a27b9147cb3d7de1a92ce1fe97b2ad944
Markdown1f0a92109bf1bac5b5fdb74de9ad2d12c83b62c0f3327285958b002c1394cf27
PDF
Publication paged95df2f84dcb7ef6610d5ef62898146b06ca703a34a90408cd9a9ac4c1acef40
Manifest4a9e46488a80e89244ee0c4def35635e1d33ba95c4b175c45f9a873d62bf7ba6

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
Signature5cJCl6qVV83tjJfhBBN5QHxchrRhRmCAfgA6JEfGSUbHkpe17VV+5iDzte0lXVMIdt5Eku2eSOPG8eXkXkeMAw==
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

2026-09-17T09:44:13.742523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090997
observed d95df2f84dcb7ef6610d5ef62898146b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:13.724631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090997/manifest.json
observed 4a9e46488a80e89244ee0c4def35635e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:13.705296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090997/publication.md
observed 1f0a92109bf1bac5b5fdb74de9ad2d12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:13.686969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090997/publication.txt
observed 5babe503b126ef7f49519a23effb0a3a...
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.