OpenTechnical

OT-2026-000104542

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, sustained blow-off 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-2026-000104542) never changes.

Identity and time

Publication numberOT-2026-000104542 · never reused
Internal UUID01a0aea7-239f-75c3-b550-e7deff0c2c62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:16:24.420933Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104542
StatusPUBLIC

Content hashes

Canonical texte7354c5e7827ba235b3e0110b3c39c0b0bccd6ed37e5f9462a2c8cf0fa81b81c
Markdown08dc8736a9b120c089ed33debe7e37090b7cd7199cdcc3996a7317d07505eff7
PDF
Publication paged9c4fba4eceb28908cfb373c1e58573b0cf1c8321ab4de1e4ea88f42108a5986
Manifestf11269c8c049a40574ba35cee9bf7ba9ee440a1890c4356cef2792264342f033

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
SignatureBcElg1eqVeABGGsp3pBnon4ljVAZTPifBxL9J70fFGMW4NQYTbH0WJcfrcI+3YIcCcdFD6wAimxu0WbVj9sKCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:03.682992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104542
observed d9c4fba4eceb28908cfb373c1e58573b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:03.664824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104542/manifest.json
observed f11269c8c049a40574ba35cee9bf7ba9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:03.647879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104542/publication.md
observed 08dc8736a9b120c089ed33debe7e3709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:03.629342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104542/publication.txt
observed e7354c5e7827ba235b3e0110b3c39c0b...
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.