OpenTechnical

OT-2026-000007184

Publication integrity record

Vacuum cup gripper, common isolation valve, three outlet manifold, pump fed, contact triggered, polyurethane cups

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-2026-000007184) never changes.

Identity and time

Publication numberOT-2026-000007184 · never reused
Internal UUID01a0a975-bbe6-7d73-b28c-ac6adc026111 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:04:20.458504Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007184
StatusPUBLIC

Content hashes

Canonical textf23f3ae9795d10026bf5d0c145d4c2499e8d599866ab37168eb741656bf274ba
Markdown644df84e3e0a4977430ac0c01673f07e7c6b419951259fe774b76ddea0a7ac98
PDF
Publication page2514f1c69f03396dc0044cdb7b80f240f06406adb992ed6b9ec731540512cad4
Manifestc15078e6d625d97a069d055cd1cf576c82bc6ff4c5f209fc67ce989657288133

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
Signature0NJEWbQbbHr7Tg1QjPixapAqQm5XEXcJTqiEc5yTTRhvGg/zRkKbfWzXKgRSl/s3QoEDg3e2kUHUp2UmqrQNAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:18.204538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007184
observed 2514f1c69f03396dc0044cdb7b80f240...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:18.192122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007184/manifest.json
observed c15078e6d625d97a069d055cd1cf576c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:18.180898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007184/publication.md
observed 644df84e3e0a4977430ac0c01673f07e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:18.169270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007184/publication.txt
observed f23f3ae9795d10026bf5d0c145d4c249...
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.