OpenTechnical

OT-2026-000085755

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, sustained blow-off before 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-2026-000085755) never changes.

Identity and time

Publication numberOT-2026-000085755 · never reused
Internal UUID01a0ae99-aaae-712c-805d-8d9fef03ad42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085755
StatusPUBLIC

Content hashes

Canonical textee7884e271693981bd5996f3bdd849e108e4fe88b69f8c518023fbe167f5f4b3
Markdownad434c1cde8edf381fe30851fad961c5ce032ce7424b84a82f73c599a22353eb
PDF
Publication page492bb94c8860822fbdc21fb50a44f78b609559a7efddfa09eb4dfe097800457f
Manifest0fb9a5d2879450680743825156d7806d437d127090e82650621bed81c328f0bd

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
Signaturec1NZiearAGUoZip3oQYD1PsTbgl917/U6meNcpZGGGJezsJN9ijUOcl1sufl7CC2huo6DBf/baL+QqKD9mQTDg==
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

2026-09-17T09:54:40.456909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085755
observed 492bb94c8860822fbdc21fb50a44f78b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:40.437844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085755/manifest.json
observed 0fb9a5d2879450680743825156d7806d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:40.420073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085755/publication.md
observed ad434c1cde8edf381fe30851fad961c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:40.401568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085755/publication.txt
observed ee7884e271693981bd5996f3bdd849e1...
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.